Though states are not required to offer native language assessments for English learners, 35 states and the District of Columbia did so in 2025, according to an analysis by the think tank the Migration Policy Institute. Click to reveal data insight The number of states offering native language assessments increased from 31 in 2020 to 35 in 2025. Procuring native language assessments can be challenging and costly for states, Mancilla added, which is partly why not all states offer such accommodations in all significant languages. Click to reveal data insight Although 35 states and the District of Columbia offered native language assessments in 2025, availability varied by subject. The Migration Policy Institute also found discrepancies in the subjects that native language assessments cover.