Tehran is the top region by classes in special education course in Iran. As of 2020, classes in special education course in Tehran was 1,472 that accounts for 11.25% of Iran's classes in special education course. The top 5 regions (others are Razavi Khorasan, Fars, Isfahan, and Khuzestan) account for 41.08% of it. Iran's total classes in special education course was estimated at 13,087 in 2020.