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International Boarding Students gather for a picture.

Providing the Best Education

Academics is just one part of the Riordan experience. As a Catholic school in the Marianist tradition, our goal is to help students become the best versions of themselves. 

Our Mission   campus tour

Our Programs

Engineering

Engineering

A four-year honors program that shapes students into proficient programmers, engineers, designers, collaborators, and problem solvers.

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Boarding

Boarding

The only high school boarding program in San Francisco.

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Learning Support

Resource Specialist Program

For students with documented learning differences, Riordan offers an environment for growth and self-advocacy.

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House System

House System

Riordan offers a holistic education that goes far beyond the classroom.

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Campus Ministry

Campus Ministry

Helping each individual deepen their faith and connect with the community through retreats, worship, youth ministry, and service.

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The Band

The Band

There are many ways to explore musical talents at Riordan, including in San Francisco's largest Marching Band. 

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Where Every Student Can Be Successful

Riordan offers one of the most supportive environments, where each student is challenged to achieve their very best. Our faculty, staff, and coaches are mentors who support student growth. There are clubs and activities to try and new skills to learn. All of this takes place in San Francisco, the global destination for innovation and creativity.

Quick Facts Inquire

music

3

International Performances by the Riordan Band

teacher

30

Alumni Teaching at Riordan

ratio

10:1

Student-Faculty Ratio

apple

45

Faculty or Staff Moderate a Club

portion

13

Advanced STEM Courses

sports

30+

Clubs and Activities

Gigi DiGiulio

Find Your Passions

Riordan encourages you to step out of your comfort zone and achieve your goals.

Gigi DiGiulio '21

Riordan Students Standing Under School Arches

Build Your Confidence

In the two years my son has been at Riordan, he has grown in so many ways. He is a new young man.

Sophomore Parent

Homepage Profile

Build Your Confidence

The spiritual life at Riordan has sent me on a path that I'm thankful to walk alongside my fellow Crusaders.

John Cayabyab '21