Collinsville High School - Class of 2015 Alumni

Join thousands of alumni from Collinsville High School and the Class of 2015. Reconnect with classmates, photos, yearbooks, upcoming reunions.

Varsity Football Schedule 2026-27

08/20 vs Althoff Catholic
08/27 vs Springfield
09/04 vs Mt. Vernon
09/10 vs Granite City
09/17 vs Alton
09/24 vs Mascoutah
10/01 vs Belleville East
10/08 vs Triad
10/15 vs Edwardsville

Upcoming Class of 2015 Reunions

Browse past reunion events and photos for your class here.

Past Class of 2015 Reunions

Browse past reunion events and photos for your class here.

Collinsville '15 Apparel

Browse our apparel store for a wide range of Kahoks gear, from t-shirts and hoodies, to caps and accessories.

Class Yearbook

View past yearbooks

Connect with Class of 2015 Classmates

Sara Kirksey

Jerry Staden

Nearby Collinsville Classmates

Class of 2013

8 classmates have joined

View Class of 2013 Alumni

Class of 2014

8 classmates have joined

View Class of 2014 Alumni

Class of 2016

4 classmates have joined

View Class of 2016 Alumni

Class of 2017

2 classmates have joined

View Class of 2017 Alumni