English language development (ELD) means instruction designed specifically for English language learners to develop their listening, speaking, reading, and writing skills in English. This type of instruction is also known as:

  • English as a second language (ESL)
  • English for speakers of other languages (ESOL)
  • English as a new language (ENL)
  • English language learner (ELL) instruction
  • English learner (EL) instruction