The Baja California Attorney General's Office says the body of Henry Abalayan Acejo was found on Dec. 18.
The 45-year-old was from the Philippines and taught Filipino language and English as a second language classes at Southwestern College and San Diego State University. He also taught ESL at Mid-City Community College in San Diego.
Police say Acejo's grey BMW and belongings appeared undisturbed at his Tijuana apartment.
His body will be flown to the Philippines for burial.