A recent study found no evidence of inadequate state-aid general funding for Oklahoma's mandated elementary class size requirements as they became more restrictive during implementation phases. Over the years, state aid increased on a per-simulated-class basis for grades K-6. State-aid distribution equity also increased. (MLH)

The effects of class size on academic achievement have been studied for decades. Although the results of small-scale, randomized experiments and large-scale, econometric studies point to positive effects of small classes, some scholars see the evidence as ambiguous. Recent analyses from a 4-year, large-scale, randomized experiment on the effects…