Pay by State. As of 2011, ESL teachers employed in New Jersey reported the highest average pay, by state: $70,210 a year. California, which employed more ESL and adult literacy teachers than any other state, reported the second-highest average income, $69,460 per year. Oregon ranked third at $68,080.hose employed by elementary and secondary schools averaged $55,970 per year, while those who work at junior colleges averaged $53,100 per year. ESL and adult literacy teachers employed by colleges and universities reported one of the lowest average salaries, $45,950 per year.