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Urban Charter Schools in California March 2015
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Notice This presentation contains interactive graphics which should be viewed in the context of a powerpoint presentation. Viewing presentation as static slides will cause some data to be hidden from the viewer and may cause labels to appear with the wrong graph.
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Impact Research Questions
This impact study answers the following questions: How does the academic progress of charter school students compare to their traditional public school (TPS) counterparts in California? We examine: Total average academic growth for all charter students relative to TPS Average academic growth for charter school students for separate time periods Charter school student growth by elementary / middle / high school grade levels Charter school student growth by prior year academic achievement Charter school student growth by the major student subgroups Charter school student growth by the number of years student continuously attended charter schools For the group of charter schools in the Bay Area, Central California, South Bay and Southern California, how do they perform compared to their peer schools in the same community?
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A Quick Word About Methods
Charter school students may be different than a typical student in TPS, so care is needed in testing their learning gains. We use a “Virtual Twin” approach to match each charter school’s students to TPS students who look just like them drawn from the TPS schools that have lost students to the charter school. A Technical Appendix provides a full explanation of our research methodology.
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A Quick Word About Methods
Unlike other recent CREDO studies, this study does not include a conversion of effect sizes to days of learning. As the days of learning computation is based on the national NAEP scores, it would not be appropriate to apply it to the limited regional samples which almost certainly DO NOT progress at the same rate as the national population.
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Understanding the Slides
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Urban Region– There are two growth values for reading. The left is for TPS students and the right for Charter students There are also two growth values for math. As before, the left is for TPS students and the right for Charter students These are the marginal effects of charter enrollment. The left is for reading and the right for math. This graph looks at the difference between the charter and TPS growth values. 0.03 – 0.08 - 0.05 -0.01 – 0.05 - 0.06 Average TPS Growth Average TPS Growth To compute the difference, we take the Charter growth value minus the TPS growth value for each subject.
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BAY AREA Results
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL STUDENTS Average TPS Growth Average TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL STUDENTS by Growth Period Average TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL STUDENTS by Gradespan Average Elementary TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL STUDENTS by Years of Charter School Enrollment Average TPS Growth This analysis includes only students who entered a charter school after
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area– ALL WHITE STUDENTS Average White TPS Growth Average White TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL ASIAN STUDENTS Average White TPS Growth Average Asian TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL NATIVE AMERICAN STUDENTS Average White TPS Growth Average Native American TPS Growth ‡ There were not enough Bay Area Native American students in Math to compute an effect size.
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL BLACK STUDENTS Average White TPS Growth Average Black TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL HISPANIC STUDENTS Average White TPS Growth Average Hispanic TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL STUDENTS ELIGIBLE FOR FREE / REDUCED PRICE LUNCH Average Non-Poverty TPS Growth Average TPS in Poverty Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL BLACK STUDENTS in POVERTY Average White, Non-Poverty TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL HISPANIC STUDENTS in POVERTY Average White Non-Poverty TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL ENGLISH LANGUAGE LEARNERS Average Non-ELL TPS Growth Average ELL TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL STUDENTS with SPECIAL EDUCATION NEEDS Average Non-SPED TPS Growth Average SPED TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in the Bay Area – ALL STUDENTS WHO WERE RETAINED IN PRIOR YEAR Average Non-Retained TPS Growth Average Retained TPS Growth
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CENTRAL CALIFORNIA Results
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL STUDENTS Average TPS Growth Average TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL STUDENTS by Growth Period Average TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL STUDENTS by Gradespan Average Elementary TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL STUDENTS by Years of Charter School Enrollment Average TPS Growth This analysis includes only students who entered a charter school after
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL WHITE STUDENTS Average White TPS Growth Average White TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL ASIAN STUDENTS Average White TPS Growth Average Asian TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL NATIVE AMERICAN STUDENTS Average White TPS Growth Average Native American TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL BLACK STUDENTS Average White TPS Growth Average Black TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL HISPANIC STUDENTS Average White TPS Growth Average Hispanic TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL STUDENTS ELIGIBLE FOR FREE / REDUCED PRICE LUNCH Average Non-Poverty TPS Growth Average TPS in Poverty Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL BLACK STUDENTS in POVERTY Average White, Non-Poverty TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL HISPANIC STUDENTS in POVERTY Average White Non-Poverty TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL ENGLISH LANGUAGE LEARNERS Average Non-ELL TPS Growth Average ELL TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL STUDENTS with SPECIAL EDUCATION NEEDS Average Non-SPED TPS Growth Average SPED TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Central CA – ALL STUDENTS WHO WERE RETAINED IN PRIOR YEAR Average Non-Retained TPS Growth Average Retained TPS Growth
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SOUTH BAY Results
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL STUDENTS Average TPS Growth Average TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL STUDENTS by Growth Period Average TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL STUDENTS by Gradespan Average Elementary TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL STUDENTS by Years of Charter School Enrollment Average TPS Growth This analysis includes only students who entered a charter school after
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL WHITE STUDENTS Average White TPS Growth Average White TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL ASIAN STUDENTS Average White TPS Growth Average Asian TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL NATIVE AMERICAN STUDENTS Average White TPS Growth Average Native American TPS Growth ‡ There were not enough South Bay Native American students in Reading or Math to compute an effect size.
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL BLACK STUDENTS Average White TPS Growth Average Black TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL HISPANIC STUDENTS Average White TPS Growth Average Hispanic TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL STUDENTS ELIGIBLE FOR FREE / REDUCED PRICE LUNCH Average Non-Poverty TPS Growth Average TPS in Poverty Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL BLACK STUDENTS in POVERTY Average White, Non-Poverty TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South bay – ALL HISPANIC STUDENTS in POVERTY Average White Non-Poverty TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL ENGLISH LANGUAGE LEARNERS Average Non-ELL TPS Growth Average ELL TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL STUDENTS with SPECIAL EDUCATION NEEDS Average Non-SPED TPS Growth Average SPED TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in South Bay – ALL STUDENTS WHO WERE RETAINED IN PRIOR YEAR Average Retained TPS Growth Average Non-Retained TPS Growth
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SOUTHERN CALIFORNIA Results
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL STUDENTS Average TPS Growth Average TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL STUDENTS by Growth Period Average TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL STUDENTS by Gradespan Average Elementary TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL STUDENTS by Years of Charter School Enrollment Average TPS Growth This analysis includes only students who entered a charter school after
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL WHITE STUDENTS Average White TPS Growth Average White TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL ASIAN STUDENTS Average White TPS Growth Average Asian TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL NATIVE AMERICAN STUDENTS Average White TPS Growth Average Native American TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL BLACK STUDENTS Average White TPS Growth Average Black TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL HISPANIC STUDENTS Average White TPS Growth Average Hispanic TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL STUDENTS ELIGIBLE FOR FREE / REDUCED PRICE LUNCH Average Non-Poverty TPS Growth Average TPS in Poverty Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL BLACK STUDENTS in POVERTY Average White, Non-Poverty TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL HISPANIC STUDENTS in POVERTY Average White Non-Poverty TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL ENGLISH LANGUAGE LEARNERS Average Non-ELL TPS Growth Average ELL TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL STUDENTS with SPECIAL EDUCATION NEEDS Average Non-SPED TPS Growth Average SPED TPS Growth
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Student-Level Results
Average Academic Growth for Charter School students relative to performance of Virtual Twins in Traditional Public Schools in Southern CA– ALL STUDENTS WHO WERE RETAINED IN PRIOR YEAR Average Non-Retained TPS Growth Average Retained TPS Growth
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