About District 99
Community High School District 99's two award-winning high schools, North High School and South High School, serve a population of more than 65,000 residents and an enrollment of nearly 5,000 students from Downers Grove and Woodridge as well as Bolingbrook, Darien, Lisle, Oak Brook and Westmont.
- Our Mission: Every day, the District 99 community works to provide a foundation for students to confidently pursue a future of their choosing.
- Our Vision: District 99 will graduate students who are equipped to realize their potential and positively impact their community and the larger world.
- Our Values: We care. We trust. We belong. We prepare. We evolve.
Read about our Strategic Plan here.
D99 At A Glance
Downers Grove North High School
Year opened: 1928 (as Downers Grove High School)
Mascot: Trojan

Downers Grove South High School
Year opened: 1964
Mascot: Mustang

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