Sierra Linda Mascot
Sierra Linda High School
Tolleson Union High School District

News and Events

We take pride in the achievements of our students and in the academic excellence of our school. When good things happen, you’ll read about them here. We also post important information for parents and students, so please check back often.

Library Books

In accordance with Arizona H.B. 2439, the Tolleson Union High School District will be posting a list of library books that each site will purchase in the spring. Each school’s list can be found on the site’s website starting on Wednesday, March 8 and will be available until Monday, May 8.

Summer School Information
Click to view 2023 Summer School Flyer

Please click on the flyer for information on Summer School 2023 in the Tolleson Union High School District. The first session of Summer School starts on May 31. To enroll, please visit ParentVUE.

    Prepare for Spring Testing

    The Tolleson Union High School District is in full swing of spring state assessments. Here are some guides from the Arizona Department of Education to assist in understanding the administration and use of state assessments."

    El Distrito de Escuelas Secundarias de Tolleson Union está listo para administrar los exámenes estatales de primavera. Aquí hay algunas guías del Departamento de Educación de Arizona para ayudar a comprender la administración y el uso de los exámenes estatales."