RHMS Arena Registration for the 2024-2025 school year! Please save the date if you have not yet registered your child/children. New to the district must bring birth certificate, social security card, immunization records, driver's license/ID of parent/guardian of enrolling student, report card from previous district (if available), proof of residence, and a copy of a recent utility bill. If you have any questions please call 956-748-1150.