Advanced Math, Taught Deeply.
From Elementary through AP Calculus and beyond.

For motivated students in grades 1-12+.
AoPS + math circle approach, taught through guided discovery, helps students think independently, accelerate, and build lasting mathematical understanding.

San Francisco & Online

Absolutely Valuable Math Enrichment


EXPERT-LED

Our math classes and math tutoring are provided by Kyla, a Master of Math and data scientist with 15 years of experience developing engaging curriculum and supporting students to enjoy advanced math and thrive.

CUSTOMIZED

Our math classes and math tutoring are fully customized to the evolving needs of the individual or group.

PROVEN RECORD

Students regularly place into advanced math tracks and earn A’s. They are consistently accepted to top choice high schools including The Branson School, Marin Academy, The Nueva School, and Phillips Andover Academy. They become leaders in class discussions.

DELIGHTFUL

Our math classes and math tutoring offer a joyful environment for students to explore mathematics.

EMPOWERING

Through extensive experience mentoring girls, we create a supportive and empowering environment that ensures every student sees themselves as a competent problem solver or even a future STEM leader.

Is Golden Ratio the right fit?


Students who are curious, bright, eager for challenge, and wanting to think deeply, not just memorize

Families seeking mentorship, confidence, and long-term growth

Explore Our Math Programs


CUSTOM MATH TUTORING & MENTORSHIP to SUPPORT EVERY STEP of the MATH JOURNEY, GRADES 2-12+

Online or In person: Cow Hollow
San Francisco


SUMMER PROGRAMS for MOTIVATED LEARNERS
Small-group Math Enrichment

Current offerings for:
- GRADES 3-5 (weeklong)
- RISING 8th GRADERS (3-session)

In person: Cow Hollow or Outer Richmond
San Francisco


Weekly Problem-Solving Labs
for Motivated Learners
Small-group Math Enrichment

Current offerings for:
Grades 2-4

In person: Cow Hollow
San Francisco