The Center for the Success of English Learners (CSEL) is a National Research and Development Center funded by the U.S. Department of Education, Institute of Education Sciences, to improve secondary education for English learners (ELs).
The Center’s program of research in science—CSEL Science—focuses on developing science knowledge and skills of secondary-level English learners and their English-proficient classmates. The methods used in CSEL have been validated as effective in previous experimental studies.