Sierra Preparatory Academy Rangers

Sierra Preparatory Academy Rangers

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Sierra Prep Rangers

11/21/2025

Congratulations to Ethan, a talented Sierra student who was recognized today by the Orange County Department of Education as one of Orange County's exceptional artists. Ethan is also a Scholar Athlete who holds a 4.0 GPA. We are so proud of you Ethan!

10/30/2023

Precautionary Evacuation Today

Good morning Sierra Parents and Staff,Today at about 8:38 AM, a fire alarm was triggered in our Robotics lab, which had no students at the time. Out of an abundance of caution, Sierra evacuated all students onto the field and had fire department dispatched to inspect the lab. All students safely were evacuated to our field and the Orange County Fire inspected classrooms and cleared the school for all students to return to their classrooms. Our District team is working on the minor repair to an AC unit that triggered the fire alarm. Should you have any questions, please call us at 714-567-3500.

Photos from Sierra Preparatory Academy Rangers's post 05/12/2023

8th grade DC spring break trip! Some of our 8th graders had the amazing opportunity to visit the east coast and historical sites. Thank you to Ms. Warwick, Mr. Peat and chaperones for providing our students with this opportunity!

Photos from Sierra Preparatory Academy Rangers's post 01/29/2023

Congratulations to Sierra's Speech & Debate team for 1st place in the Mardi Gras Speech & Debate Small School Competition. Special thanks to Mrs. Patrick for coaching the team. Proud of your hard work Rangers!

Photos from Sierra Preparatory Academy Rangers's post 09/27/2022

Rangers Win! Great game between Sierra and Willard, but after a tight game, Sierra triumphed 13-6.

Photos from Sierra Preparatory Academy Rangers's post 05/20/2022

Congratulations to Sierra Scholar, Anthony who completed all of ALEKS and Lexia. His hard work paid off as he won a pair of Apple Air Pods (and the cheers for his good friends Salvador and Elijah). Academics, Great Friends and Hard Work will take Anthony very far in College and Career. Proud of you, Anthony!

Photos from Sierra Preparatory Academy Rangers's post 05/19/2022

Sierra are the AppJam Champs! Congratulations to Kimberly, Leah, Jairo and Alan, Sierra's future software engineers and next big names in the Silicon Valley.

Photos from Sierra Preparatory Academy Rangers's post 05/15/2022

Sierra Prep's Robotics Team led by Victoria, Joseph, Fernando, Randy, Israel, Jeremy, Nathan, Ms. Cronmiller and Mr. Novy competed in SAUSDs Robotics Invitational. The team showed creativity, collaboration, and exemplary sportsmanship, but most importantly HAD A LOT OF FUN!! Special thanks to CTE and Lathrop Intermediate for hosting.

Photos from Sierra Preparatory Academy Rangers's post 02/17/2022

We Care Day 2022 at Sierra. Our students and staff shared a message of kindness, love and positivity with someone they care greatly about. Shout out to our Counselors and Staff!

Photos from Sierra Preparatory Academy Rangers's post 02/16/2022

Don't let the casual gear fool ya: Sierra Students wore PJs to show "We Care". Respect and Kindness is part of Sierra's daily attire.

Photos from Sierra Preparatory Academy Rangers's post 01/27/2022

Learning happens everywhere and every minute in Ms. Chhim's 1st grade class at Sierra Prep.

Photos from Sierra Preparatory Academy Rangers's post 11/19/2021

Pajama Day at Sierra! Our Rangers showed school spirit by Jamming in their Jammies.

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Location

Category

Address


2021 N Grand Avenue
Costa Mesa, CA
92705

Opening Hours

Monday 7:30am - 4pm
Tuesday 7:30am - 4pm
Wednesday 7:30am - 4pm
Thursday 7:30am - 4pm
Friday 7:30am - 4pm