Seneca High School - Class of 2021 Alumni, Erie PA

Join thousands of alumni from Seneca High School and the Class of 2021. Reconnect with classmates, photos, yearbooks, upcoming reunions.

Upcoming Class of 2021 Reunions

Browse past reunion events and photos for your class here.

Past Class of 2021 Reunions

Browse past reunion events and photos for your class here.

Seneca '21 Apparel

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

Class Yearbook

View past yearbooks

Recently joined '21 Classmates

Brynn Tefft
Class of 2021

Connect with Class of 2021 Classmates

Cody Cody Joe Moore

Hannah Burns

Hannah Sterner

Luke Bratton

Nearby Seneca Classmates

Class of 2019

11 classmates have joined

View Class of 2019 Alumni

Class of 2020

13 classmates have joined

View Class of 2020 Alumni

Class of 2022

4 classmates have joined

View Class of 2022 Alumni

Class of 2023

7 classmates have joined

View Class of 2023 Alumni