Free Teacher Fun Card (Annual Pass) + 2 Single Guest Passes for Teachers in CA, AZ. FL gets the Fun Card only (no guest tickets) and possibly TX (if they renewed it for 2017). You have to register using your teaching credential number (e.g. CTC document number for CA). Also works for other educators with school credentials (Speech-Language Pathologists, School Psychologists, etc.). Private school classroom teachers require additional documentation.
CA and AZ Teachers [seaworldparks.com]
Valid thru 12/2017 (redeem for Fun card by 5/19/2017) - San Diego SeaWorld
FL Teachers [seaworldparks.com]
Valid/Redeem thru 8/31/2017 - Orlando SeaWorld
TX Teachers [seaworldparks.com]
EXPIRED but may have renewed for this year - San Antonio SeaWorld