The "No Child Left Behind Act" establishes federal education policy for the United States, with a heavy focus on accountability through high-stakes testing. Provisions specific to English language learners (ELLs) include the mandate for their inclusion in state math tests, even for newcomer students enrolled for less than one year. Most…

It is generally observed in the literature of school effectiveness research that there are two broadly categorized factors influencing pupil achievement. However, the results of the studies based on empirically collected data vary from country to country and from time to time. Premised on this inconsistency of results and gaps in knowledge of this…