San Marino Unified School District Home

Students in San Marino Unified consistently score in the top 1% statewide on state assessments, a testament to the strength of the close-knit community and its long-standing commitment to supporting student success.

The SMUSD provides safe, supportive environments and innovative opportunities for student learning, promotes individual student excellence, invites collaboration and discovery, and challenges students to take responsibility as members of a diverse, global community.

Delivering a world-class education with recognized excellence in academics, arts, athletics, and activities.

Welcome to the San Marino Unified School District, where academic excellence, innovative programs, and a supportive community help students thrive. From our Mandarin Dual Language Immersion program and unique partnerships with organizations like the Huntington Library, SMUSD provides exceptional opportunities that prepare students for success.