Impact Evaluation 4 Peace March 2014, Lisbon, Portugal 1 Not Too Late: Improving Life Outcomes for At-Risk Adolescents Roseanna Ander Executive Director Latin America and the Caribbean’s Citizen Security Team

Stop, Look & Listen in CPS “Becoming a Man” (Youth Guidance & World Sport Chicago) 27 week, 1 hour / week, students / group Average participant attends just 13 group sessions

For all a and b, 6a 2 b 3 – 3a 2 b is equivalent to which of the expressions? If 3x – 10 = 24, then x = ?

For all a and b, 6a 2 b 3 – 3a 2 b is equivalent to which of the expressions? If 3x – 10 = 24, then x = ? 17 x 10

Iron law of Education? 1 Effect of participation, avg of W-J letter ID and applied problem scores; Ludwig & Phillips 2007 Table 1 2 Schanzenbach 2006, Table 4 1 2

Iron law of Education? 1 Effect of participation, avg of W-J letter ID and applied problem scores; Ludwig & Phillips 2007 Table 1 2 Schanzenbach 2006, Table 4 1 2

Gain in math scores by ~2/3 B-W gap (equal to 3 years of math learning, in 1 year)

Participation increases CPS "on track" rate by almost 50%

4,500 9 th and 10 th graders randomly assigned to program vs. control

Do pilot results translate to scale? 1 Estimating half-year impact as one-half of the full year result 1