Teacher’s aides are used worldwide, in various school systems, although, there is no strong evidence of their impact on student outcomes. We use a randomized trial to challenge this state of evidence. We randomly allocate 105 schools to two types of treatment – aides with or without a...

This study investigates whether successful inclusion of students with special education needs (SEN) in regular classrooms can be achieved by increasing the educational support available. We exploit two randomized controlled trials that added teacher’s aides to grade 6 classrooms combined with...

Outsourcing of jobs to low-wage countries has increased the focus on the accumulation of skills - such as Math skills - in high-wage countries. In this paper, we exploit a high school pilot scheme to identify the causal effect of advanced high school Math on labor market outcomes. The pilot...

In this paper, we employ register data for eight cohorts of second-generation immigrant pupils to identify the impact of each parent's years since migration on their children's school achievements. We exploit local variation in years since migration and within-family variation. We find evidence...