School Activities Seneca Activities

You can find more Seneca Suffolk, NY alumni who participated in activities at®. Click here to join® for free and to view SHS profiles.

All Seneca Suffolk, New York Activities

Choose an activity that students at Seneca High could particpate during their time in high school in Suffolk to view the names of the students who participated in that sport or activity. You can also add yourself to the list.

Don't forget to upload your Seneca High School pictures and check on the latest info about any Seneca High School reunion.