The 340-hour Teaching English as a Second Language program includes applied in-class and practicum experience and is recognized by TESL Canada (Standard II) and by TESL Ontario.

Graduates of the Teaching English as a Second Language (TESL) graduate certificate gain the knowledge and skills for successful English language teaching through active learning and 50 hours of observing and teaching. Practicum placements occur in community-based programs such as Language Instruction for Newcomers to Canada (LINC) and/or within English for Academic Purposes (EAP) settings at college or university, preparing students for today's world of English language learning and teaching in Canada or abroad. Conestoga College's teaching faculty are passionate educators who bring extensive credentials and English language teaching experience across a variety of English language programs.

Conestoga College's TESL program meets and exceeds the standards of TESL Canada and TESL Ontario. Part 1 is recognized by TESL Canada (Standard I). Part 2 is recognized by TESL Canada (Standard II) and by TESL Ontario.