held at Crystal Lake South High School located at 1200 S. McHenry Ave, Crystal Lake,
IL 60014. The main office number is (815) 455-3860. Driver's education courses meet
at the student's home school.
Daily Class Time Schedule
Period 1 . . . . . . 7:30 - 8:20 a.m.
Period 2 . . . . . . 8:25 - 9:20 a.m.
Period 3 . . . . . . 9:25 - 10:20 a.m.
Period 4 . . . . . . 10:25 - 11:20 a.m.
Period 5 . . . . . . 11:25 a.m. - 12:20 p.m.
D155 summer projects are underway at all four high schools as part of the 2019 Capital Improvements Project. The Board of Education approved $14,552,000 in capital projects, including kitchen classroom remodels, tennis courts replacement, and air conditioning.
District 155 is pleased to announce the approval of a new four-year agreement with its support staff union, CHESS.
All District 155 high schools earned a spot in the top 100 of Illinois’s Best Public High Schools for 2019. The annual list conducted by U.S. News and World Report is determined based on six factors.
The American Occupational Therapy Association (AOTA) selected Michelle Ponsolle-Mays to receive the Jeannette Bair Writer’s Award at its national conference. Mays co-authored the article, “Enriching kids’ lives: Addressing the effects of poverty on the health and well-being of school-aged children and their families.”
Teachers with Master's Degree or Higher
Sports and Extracurricular Activities Offered