Mill Creek High School

Mill Creek High School is a high school in Hoschton, Georgia, United States. It serves the area of Hamilton Mill, Gwinnett County, a suburb of Atlanta, as well as the Gwinnett County portion of Braselton. It also serves unincorporated areas such as zip codes 30548, 30019, 30542, 30517 and 30519. Before the opening of Seckinger High school in Fall 2022, it had 3,997 students. Some of the most recent attendance counts have named it one of the largest schools in Georgia. It is fed only by Frank N. Osborne Middle School, as Glenn C. Jones Middle School now feeds into Seckinger High School.

In August 2004, Mill Creek opened with 2,538 students. It now enrolls around 3,000 students, and around 292 staff members. By 2018, the school had 3,724 students and was consistently named the largest high school in Georgia by student population.

Mill Creek was named for the fourth consecutive year as one of the schools in the top 5% in the country with regard to academics and test results.

Mill Creek has 70 student clubs. The schools largest and most successful club is DECA, a prominent organization in Georgia that prepares students for careers in marketing, finance, hospitality, and management through leadership activities, competitive events, and networking opportunities.