projectcert

A 51-jurisdiction atlas of teacher certification requirements for instructing classified English Learners.

State education agencies (SEAs) implement identical federal civil-rights protections through divergent credentialing regimes. This catalog records the resulting variation: which credentials each SEA offers and the requirements attached to those credentials.

Cite this site ↓

Less than 3.0%
3.0% to less than 6.0%
6.0% to less than 10.0%
10.0% or higher

Hover or focus a state for a summary; click to open the full per-state record.

National mean: 8.8% classified ELs (51-SEA average; see per-state records for as-of dates and sources).

All 51 jurisdictions

Each card links to the full per-state record with credentials, sources, and policy timeline.

Cite this page

Site content is published under CC BY 4.0. When citing a fact from this page, please cite both projectcert and the original Leider et al. (2021) paper the dataset extends.

APA
projectcert. (2026, May 10). projectcert: a 51-state atlas of EL teacher certification. https://projectcert.org/
Leider, C. M., Colombo, M. W., & Nerlino, E. (2021). Decentralization, teacher quality, and the education of English learners: Do state education agencies effectively prepare teachers of ELs? Education Policy Analysis Archives, 29(100). https://doi.org/10.14507/epaa.29.5279
BibTeX
@misc{projectcert_2026,
  author  = {{projectcert}},
  title   = {{projectcert: a 51-state atlas of EL teacher certification}},
  year    = {2026},
  url     = {https://projectcert.org/},
  urldate = {2026-05-10},
  note    = {Last verified 2026-05-10}
}
@article{leider2021decentralization,
  author  = {Leider, Christine M. and Colombo, Michaela W. and Nerlino, Erika},
  title   = {{Decentralization, teacher quality, and the education of English learners: Do state education agencies effectively prepare teachers of ELs?}},
  journal = {Education Policy Analysis Archives},
  volume  = {29},
  number  = {100},
  year    = {2021},
  doi     = {10.14507/epaa.29.5279}
}