Senior Gavin Kempf-Kutemeier has been named Principal Bassoonist in the Chicago Youth Symphony Orchestra, a top honor among the most talented young musicians in the area. Earning a principal spot is the highest rank in the section, awarded with all solos and a spot in the elite Core Ensemble.

The National Merit® Scholarship Program named four District 155 seniors as 2023 National Merit® Semifinalists. The semifinalists represent less than one percent of U.S. high school seniors and are the highest-scoring students in each state.

Katelynn Russ, a 2016 CLS graduate, won the Isobel Cup with her professional hockey team Boston Pride. Katelynn spent her time with the trophy in her hometown, where her achievement was honored in a ceremony at Crystal Lake South with her family, school administration, and City of Crystal Lake Mayor Haig Haleblian.

District 155 schools have all ranked in the top eight percent nationally and the top 12 percent in the state according to U.S. News and World Report's Best Public High Schools 2022 list.