combining population-level birth and school records from Florida. This research question is complicated by substantial school … immigrant students in the school. We propose a new identification strategy to partial out the unobserved non-random selection …

as a natural experiment. We compare the probabilities of gaining selective school entry - which in our study period meant … attending a grammar school - before and after the Act using a difference-in-difference approach. Before 1944, grammar school … children were required to take a competitive 11+ exam and about one-third gained a grammar school place. Pre-1944 we find the …

combining population-level birth and school records from Florida. This research question is complicated by substantial school … immigrant students in the school. We propose a new identification strategy to partial out the unobserved non-random selection …