Effect
Average
Learning
Points
| Country | Israel |
|---|---|
| GDP per capita | 19,061 |
| Context details | Israeli elementary schools of Jewish public school system (Arab schools excluded) |
| Age | Grades 3-5 |
| Implementation year | 1991 |
|---|---|
| Implementer | Government |
| Duration (months) | 9 |
| Cost | - |
| Intervention details | Class size reduction from 25 to 20 students (computed from the original estimate of reducing the class size from 30 to 29); 210 schools participated |
| Evaluation design | Instrumental variables |
|---|---|
| Cluster definition | School |
| Study | Angrist, Joshua D., and Victor Lavy. "Using Maimonides' Rule to Estimate the Effect of Class Size on Scholastic Achievement." The Quarterly Journal of Economics 114, no. 2 (1999): 533-575. |
|---|
| Sample | Outcome | Test | Source Table | Observations | Statistics on Effects%2% |
|---|---|---|---|---|---|
| Grade 4 | Math | National testing program | 5 | 415 415 | Coeff: -0.02; SE: 0.16; SD: 9.10 |
| Grade 3 | Language | National testing program | 8 | 2,111 2.111 | Coeff: 0.04; SE: 0.06; SD: 6.10 |
| Grade 3 | Math | National testing program | 8 | 2,111 2.111 | Coeff: 0.07; SE: 0.07; SD: 6.80 |
| Grade 4 | Language | National testing program | 5 | 415 415 | Coeff: 0.15; SE: 0.13; SD: 7.80 |
| Grade 5 | Math | National testing program | 4 | 471 471 | Coeff: 0.44; SE: 0.24; SD: 10.20 |
| Grade 5 | Language | National testing program | 4 | 471 471 | Coeff: 0.58; SE: 0.18; SD: 8.20 |