MEASURING GROWTH IN ACADEMIC ACHIEVEMENT: How Will We Compare Apples to Potatoes? Janet Stephenson School Improvement Resource Teacher 1

How Will We Compare Apples to Potatoes? 2

Evaluation of School Improvement What Tools Will You Use? 3 What are the grown ups in the building doing? Before you begin, what is your baseline? What are you moving from?

PERCENTILE RANKING (PR) A Refresher Is a measure of relative performance Scores are arranged in rank order from lowest to highest – then grouped into bands Provides a measure of how your school’s performance scores compares to other like schools in a range from 1 to 99 A school with percentile rank of 70 (PR 70), means that it scored the same as or better than 70 percent of the group of schools. PR 50 means _________________________________.

SPECIAL PERCENTILES Upper quartile Median of upper half of data 75 th Percentile Median 50 th Percentile Lower quartile Median of lower half of data 25 th Percentile

What is Your Data Telling You? 6 Look for trends in your Academic Outcomes percentile ranking.

SIP QUESTION: How did we perform as compared to other schools of the same type statewide? 7 Look for trends in your Academic Outcomes percentile ranking

Student Achievement Outcome Measures Example : Outcome Percentiles Student Achievement Scores at ABC High School will have a percentile ranking in Reading and Math Proficiency higher than the 50 th percentile. Student Achievement Scores at A to Z Elementary School will have a percentile ranking higher than the 60 th percentile in Reading Gains and higher than the 80 th percentile in Math Gains. 8 Is the goal reasonable and attainable?

What is your data telling you about your GROWTH? 9 Look for trends in your Annual Change (growth) percentile ranking

SIP QUESTION: How did we perform as compared to other schools of the same type statewide? 10 Look for trends in your Annual Change (growth) percentile ranking

SIP QUESTION: How much year over year growth would we consider to be satisfactory as compared to the growth made by other schools of the same type statewide? 11

Student Achievement Outcome Measures Example : Growth Percentiles Growth in our Reading and Math Proficiency Achievement at ABC Middle School will have a percentile ranking higher than the 85 th percentile in Reading and 75 th percentile in Math. Growth in our Lowest Performing Quartile (LPQ) Learning Gains in Reading and Math will surpass the 65 th percentile. 12 Is the goal reasonable and attainable?

Take a look at your SCATTERPLOT 13 X-axis Growth

Take a look at your SCATTERPLOT 14 Y-axis Achievement

SCATTERPLOT: Schools ideally will be moving from Low Achievement, Low Growth in a backwards C to Higher Achievement, Lower Growth where they stabilize over time. 15

DUE DATES Sept. 8 – Draft of SIP due to area office and Janet Stephenson in School Improvement Office Sept. 15 – Oct. 3 Individual SIP review meetings with area office October 10 – Final draft is due 16