class and volunteer shirts Membership $10.00 Membership dues are $10. Join the CES PTO! pto Memberships Family Membership $15.00 Membership dues are $15 for families (up to four adults). Join the CES PTO! Staff Membership $5.00 Membership dues are $5 for CPS staff members. Join the CES PTO! Store Clear Filters Filter Clear Filter No results found No results match your search. Try removing a few filters.