Basic Education High School No. 1 Dagon (Burmese: အခြေခံ ပညာ အထက်တန်း ကျောင်း အမှတ် (၁) ဒဂုံ; formerly, Methodist English High School; commonly known as ဒဂုံ ၁ ), located a few miles north of downtown Yangon is considered one of the best public high schools in Myanmar. Dagon 1 offers classes from kindergarten to tenth standard (recently renamed Grade 1 to Grade 11) to about 6500 students.

Attended almost exclusively by the children of the wealthy, Dagon 1 has some of the best educational facilities available in a Burmese private school. The school routinely sends a disproportionate share of outstanding students to the country's most selective universities each year. Its most famous alumna is the Nobel Peace Prize Laureate Aung San Suu Kyi. Many of the Burmese entertainment industry's top stars are Dagon 1 alumni. Dagon 1 in recent year has lost some of its appeal as a top school as ultra-wealthy parents now send their children to expensive English language medium "international" private schools.

The school's main colonial era building is on the Yangon City Heritage List.