Sidney High School - Class of 1999 Alumni

Join thousands of alumni from Sidney High School and the Class of 1999. Reconnect with classmates, photos, yearbooks, upcoming reunions.

Varsity Football Schedule 2026-27

09/17 vs Tioga
09/24 vs Walton
10/09 vs Delaware Academy
10/15 vs Bainbridge Guilford
10/22 vs Greene

Upcoming Class of 1999 Reunions

Browse past reunion events and photos for your class here.

Past Class of 1999 Reunions

Browse past reunion events and photos for your class here.

Sidney '99 Apparel

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

Class Yearbook

View past yearbooks

Connect with Class of 1999 Classmates

Aaron Wood

Aurelia Georgeta

Stacey Warner

Jeanette Jacobs

Nearby Sidney Classmates

Class of 1997

3 classmates have joined

View Class of 1997 Alumni

Class of 2000

6 classmates have joined

View Class of 2000 Alumni

Class of 2001

4 classmates have joined

View Class of 2001 Alumni