River Islands High School

River Islands High School Home of the Riptide! This is the official page of River Islands High School.

This account has been created to share school updates, upcoming event information, and pictures from Riptide events.

Varsity Athletics happening this week!
08/24/2026

Varsity Athletics happening this week!

We are excited to welcome you to our Back to School Night on Monday, August 24th, beginning at 5:00 PM! This is a great ...
08/23/2026

We are excited to welcome you to our Back to School Night on Monday, August 24th, beginning at 5:00 PM! This is a great opportunity to connect with our school community and learn more about the year ahead.

Back to School Night Schedule:
5:00-5:30 PM - Back to School Night Festival
Riptide Band & Cheer Performance
Learn about clubs and organizations
Food vendors

5:30-5:50 PM - Staff & Counseling Presentation
Choir Performance
Meet Our Staff
Graduation and A-G requirements
Academic Counseling Overview

5:50-7:20 PM - Classroom Visits
Visit classrooms and run a 7 period schedule. We look forward to seeing you!
🌊

Gameday!
08/22/2026

Gameday!

Club Rush was a HUGE success!🌊❤️🌊
08/21/2026

Club Rush was a HUGE success!🌊❤️🌊

We’re looking for student volunteers to help operate the down marker at our home Flag Football games this season!It’s an...
08/21/2026

We’re looking for student volunteers to help operate the down marker at our home Flag Football games this season!

It’s an easy way to support Riptide Athletics and earn community service hours toward your 40-hour graduation requirement.

Interested? Reach out to Mr. Graham!

Final!
08/21/2026

Final!

Behind the scenes with during Cheer Media Day 🌊
08/21/2026

Behind the scenes with during Cheer Media Day 🌊

Behind the scenes with during Cheer Media Day.
08/21/2026

Behind the scenes with during Cheer Media Day.

TOMORROW. CLUB RUSH. AT LUNCH. Check our story for a map and a list of Clubs!🌊
08/21/2026

TOMORROW. CLUB RUSH. AT LUNCH.

Check our story for a map and a list of Clubs!🌊

Address

16601 Riptide Way
Lathrop, CA
95330

Opening Hours

Monday 8am - 4:30pm

Telephone

+12092294700

Website

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