About Westside Preparatory Booster Club
Parent Resources Student Community Service Field Study Days
Academic Achievers AVID Leadership Project Lead The Way
Awards Food Festival Hawaiian Picnic Day Red Ribbon Week Ruby's Basket School Dance Washington D.C. Wax Museum
Mustang Basketball Mustang Soccer Mustang Volleyball Sport Forms
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Welcome to Westside Charter

Home of the Mustangs! 

Dear Westside Charter Families, Please click and read the following letter concerning SnapChat:

WPCS Application (Please click to open):



School Calendar

Today: 7/30/15


Immunization Requirements for School
State law requires that for unconditional admission to school, all students under 18 shall be fully immunized according to requirements of the California Department of Health Services (Ed.Code 49403 and 48216, District Policy 5141.31).

Immuniza... Continue
Posted by: Charlene VanAllen
Published: 7/29/15

When we welcome students back for the 2015-2016 school year, their schedules will look slightly different from previous years. Across the district, students will start school at the same time every day, and will be released from school two hours e... Continue
Posted by: Zenobia Gerald
Published: 6/25/15

We Are TR! Graduation 2015
We're happy to share the latest edition of We Are TR! The district newspaper features our 2015 TR Valedictorians. Twin Rivers is committed to supporting the education of all students so they are ready for a promising future.

Click ... Continue
Posted by: Charlene VanAllen
Published: 6/22/15


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Events and Reminders


  • May 11-15, 2015: State Testing Week Dismissal @ 11:45 am 
  • May 15, 2015: Six Flags Discovery Kingdom Field Trip from 9 am to 6:30 pm 
  • May 27-29, 2015: 8th Grade Museum of Tolerance and Disneyland Field Trip
  • June 5, 2015: Golfland Sunsplash Field Trip from 10 am to 4:30 pm 
  • June 1-5, 2015: Washington D.C. Field Trip 
  • June 8-11, 2015: Minimum Days 
  • June 10, 2015: 8th Grade Promotion Life Point @ 10:00 am 
  • June 11, 2015: Last day of School 

District News & Events



"Twin Rivers  Unified School District programs, activities, and practices shall be free from unlawful discrimination, harassment, intimidation, and bullying based on actual or perceived race, color, ancestry, national origin, ethnic group identification, age, religion, marital or parental status, physical or mental disability, sex, sexual orientation, gender, gender identity, or gender expression; or on the basis of a person’s association with a person or group with one or more of these actual or perceived characteristics.


If you believe you have been subjected to discrimination, harassment, intimidation, or bullying, you should immediately contact the school site principal and/or Director of the Student Services (CCR Title 5 and Title IX Officer), Rudy Puente, at 916-566-1620 or rudy.puente@twinriversusd.org. A copy of TRUSD uniform complaint or TRUSD non-discrimination policy are available upon request."

Our Mission

Working in partnership with students and their families to encourage personal responsibility and to provide a challenging curriculum with the goal of empowering students to meet the many and varied challenges of the future.


 7:30 a.m. to 4:00 p.m.

School Hours

8:00 a.m. to 2:45 p.m.

(We do not have "late-start" Wednesdays.)

Contact Information

Principal: Laura Lofgren

Charter Secretary: Alexandra Gwiazdowski

Main Office Secretary: Sara Rowlett

Phone: 916-566-1990

Fax Number: 916-566-1991

6537 West Second St.
Rio Linda, CA 95673