The Castro Dolphin Whistle is a weekly newsletter for the Castro School community. The newsletter includes a message from the principal, important information for the Castro community, a calendar of upcoming events and information about after school activities. Students bring home the Dolphin Whistle every Wednesday and it is also electronically distributed via e-mail. 

The Dolphin Whistle, Issue 40, August 6, 2025
El Silbido del Delfín, Portada 40, 6 de agosto de 2025

To view the 2024-25 school year newsletter issues, please click here
To view the 2023-24 school year newsletter issues, please click here

Want to submit an article or flyer for the Newsletter?

All articles need to be approved by the principal or the school secretary. Email no later than Thursday for the next week’s Wednesday newsletter. Per district policy, the originator must translate stand-alone flyers. Outside agencies must have flyers pre-approved at the MVWSD central office. Contact office staff for the number of flyers needed and duplication procedures.