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

North Logo

Downers Grove South High School

Year opened: 1964

Mascot: Mustang

South Logo
  • 4,701 students
  • 62.8% White, 18.4% Hispanic, 8.1% Black, 6.6% Asian, Two or More Races 3.7%, American Indian .1% 
  • Graduation rate: 93%
  • 9th Grade on Track to graduate, a key indicator of student success, is 95%
  • District 99 employs 700+full-time staff members:
    • 75% are teachers, principals, deans, counselors, psychologists, paraprofessionals, classroom support staff; 85% of our certified faculty members hold advanced degrees
    • 21% are other support staff, including campus security, technology support, office staff, custodial, maintenance and grounds personnel
    • 4% are administrative leaders, professionals and technical staff
Academic programs and achievement
  • Scholastic Aptitude Test (SAT) English average is 525.4, above state average of 487.5 and national average of 520
  • SAT Math average is 532.5, above state average of 473.4 and national average of 508
  • Strong focus on college preparedness by offering 27 Advanced Placement (AP) courses
  • High enrollment in Honors, Advanced Placement courses and Dual Credit courses
  • Strong relationships with local business community, providing internship opportunities for students
  • After-school and summer programs available for at-risk students needing additional academic support
  • Instructional expenditure per pupil: $20,000+
  • 90%+ of revenue from local property taxes and other local funding
Extracurricular opportunities
  • All-state athletic teams and champions in a variety of sports
  • All-state bands, orchestra and choirs
  • Variety of clubs encourage positive student involvement