Bremen High School District 228 is a public four year high school district covering about 29 square miles (75 km2) in Bremen Township.

It serves the communities of Midlothian, Posen, Tinley Park, Markham, Hazel Crest, Country Club Hills, and Oak Forest in southern Cook County, Illinois in the south suburbs of Chicago.

The district serves over 5,000 students and employs roughly 800 full and part-time staff members.

The four high schools this district operates are Bremen, Tinley Park, Hillcrest, and Oak Forest.

Further population increases in the 1950s and 1960s resulted in the opening of three additional schools: