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Welcome to the online home of the Sierra Linda Bulldogs
Sierra Linda

We appreciate your interest in our school. We are located in Phoenix, Arizona and are part of the Tolleson Union High School District.

We invite you to take a moment and browse our website to see some of the many wonderful things taking place at our school. We promise to keep you up-to-date on all the news and events. Please also feel free to contact us if you have any questions. We look forward to getting to know you.


A Message From Principal Madrid

Dear Students, Parents, and Guardians,

Welcome to our website! This is an exciting school year! Throughout this year everyone is focused on being Professional, taking Action, Working together, and being Safe. We are creating many new memories through our classroom activities, clubs, sports, and extracurricular opportunities. There are various events throughout the school year, so please check our website calendar, Dawgpound Newspaper, Facebook, Twitter, or Instagram pages, and stay informed! Have a great year, Bulldogs!!



Mr. Tim Madrid


Bulldog News
Teacher Orientation Schedule

We will have teacher orientation from July 30 - August 1. Read more >>>

Walk-Through Registration

Please come on the registration date for your student listed. Read more >>>

A Parent's Right To Know

As a parent of a student at a Tolleson Union High School District school, you have the right to know the professional qualifications of the classroom teachers who instruct your child. Read more >>>

School-Wide Action Plan

Sierra Linda High School and its major stakeholders recently developed a School-Wide Action Plan (SWAP) to address the many needs of our students. Be sure to check out the plan!

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