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

Meet Our Staff

We are proud of the exceptional faculty and staff here at Sierra Linda High School. They are a dedicated group of men and women who truly care about helping students succeed. Please meet the faculty and staff who work every day to help students excel.

A Parent's Right to Know

As a parent of a student at Sierra Linda High School, you have the right to know the professional qualifications of your child's teachers. Please read A Parent's Right to Know.

Administration

Tim Madrid
Principal
(623) 474.7702
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Jennifer Vidrio
Admin Assistant; Principal
(623) 474.7702
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Lorin Sempkowski
Assistant Principal; Instruction
(623) 474.7802
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Christina Valenzuela
Assistant Principal; Discipline
(623) 474.7731
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Jim Kramer
Assistant Principal; Athletics
(623) 474.7721
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Tramane Marshall
Assistant Principal; Registration
Ext. 207205
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Staff by Department

To find a staff member by department, please click on the appropriate button.