Azusa Pacific offers a six course online TESOL Certificate that incorporates into their M.A. in TESOL for students that wish to get their M.A. after completing the certification program. Information on their TESOL Certificate can be found here: https://www.apu.edu/clas/programs/tesol-certification/

The M.A. in TESOL can be completed on campus, online or in the field. More information on the program is available here:
https://www.apu.edu/clas/programs/tesol-masters/