[1] In 2015, 85% of the senior class graduated, posting an average ACT score of 20.

[6] Based on scores earned on the Prairie State Achievement Examination, Collinsville High School is not achieving Adequate Yearly Progress (AYP) in meeting the requirements of the federal No Child Left Behind Act.

The school sponsors interscholastic athletic teams for young men and women in basketball, bowling, cross country, golf, soccer, tennis, and track & field.

[7] [8] Collinsville High School is educational organized into thirteen departments.

[9] These include: Business, English, ELL, Family Consumer Science, Fine Arts, Foreign Language, Industrial Technology, Math, PE, Heath, and Drivers Education, Science, Social Studies, Special Education, and Counseling.