Here is the answer to my e-mail from Sea World:
Dear Mr. Hom:
Thank you for contacting SeaWorld Adventure Park Orlando. Teacher passes are
available to certified K-12 Florida Teachers. To obtain your pass you will need
to bring a copy of your teaching certificate, a current pay stub and your photo
ID to the Passport Member Center located at the Front Gate, and they will be
more than happy to issue you your pass.