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Principal Chad Slife

2725 California St.

San Francisco, CA 94115








School hours:

8:40 a.m. to 2:40 p.m.



Thursdays at 9:00 a.m.

Please call 415-749-3505 or email sch525@sfusd.edu to sign up.



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Welcome! Our school is a nurturing environment that inspires each student to thrive academically, emotionally, socially, intellectually, and creatively so all students can be empowered to achieve their highest potential. As a small school in the Lower Pacific Heights neighborhood in San Francisco serving students from preschool through grade 5, we benefit from small classes, a dedicated staff, and a strong multigenerational community.

New Family Welcome from Mr. Slife

Our community welcomes all the new families to our school. We look forward to getting to know you, and are especially excited to have a new group of pre-kindergarten and kindergarten students joining us this year! I am extremely honored to be your principal at Dr. William L. Cobb Elementary, a school for equity in this ever-changing world.


As principal over the past two years, we have seen monumental gains in student learning and school culture and climate, and we look forward to continued progress this upcoming year. I would like to introduce myself and also highlight important information for the beginning of school.


About Cobb

boy library.pngLearn more about the classes and programs at our school


About Cobb


Our Staff

Learn more about our principal, teachers, and support staff. 

Our Staff

Our Families

boy outside.pngParent and family involvement in school is crucial in impacting the quality of your child’s education. Learn how you can help.

Cobb Calendar

New Safe Routes to School Guide

The San Francisco Safe Routes to School program​ has ​a new transportation resource guide to ​help make the school commute less stressful and more fun! The guide provides information on walking, ...more

Cobb in the News

Our Principal Chad Slife, who was featured in a profile story, shares why he became a school principal.



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SFUSD Non-Discrimination Policy

San Francisco Unified School District programs, activities, and practices shall be free from discrimination based on actual or perceived race, color, ancestry, national origin, ethnic group ...more