Welcome to Sonoma Mountain Charter School!

  • Sonoma Mountain Charter School is one of five schools in the Old Adobe Union School District. With a student body of approximately 470 students, we are a student-centered, high performing elementary school in Petaluma, California. We work to create an engaging and active learning environment for our students. Our academic programs are aimed at fostering a joy for learning and we hold ourselves responsible for every student’s success.

    Great schools strive to provide that something extra for students and Sonoma Mountain is no exception.