Reinventing High School
for the 21st Century

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Online learning can work, but it requires the right pedagogy and execution. We're building an innovative, digital-first curriculum, starting with extracurriculars.

Our programs are designed and led by graduates of top universities with extensive real-world experience. They are project-based, collaborative, and will get students noticed by top colleges. Prepare for the 21st century with 21st century learning.

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Our Extracurriculars

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Our online extracurriculars are collaborative, engaging, and outcome-driven. They are taught by top university graduates and experts in the field who bring practical experience to the digital classroom. With Ratio 21, you will not only acquire knowledge -- you'll also get the chance to do, make, build, and explore.

All of our programs are application only and have limited spots available. Apply to reserve your seat now!

Elite Instructors

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Meet Your Program Leads

Dr. Pamela Peters
Dr. Pamela Peters

Dr. Pamela Peters is an OB-GYN (obstetrician-gynecologist) currently completing a fellowship in gynecologic oncology at Duke University in Durham, North Carolina. As a pre-med, she studied neuroscience at Washington University in St. Louis. She received a scholarship to attend medical school at the University of Chicago Pritzker School of Medicine before completing her residency at University of California, San Francisco (UCSF).

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Amol Sarva
Amol Sarva
Columbia University Professor & Serial Entrepreneur

Amol Sarva teaches entrepreneurship at Columbia University and has cofounded startups including Virgin Mobile USA, Peek, Halo Neuroscience, Knotel, and Popular Change. He studied cognitive science for his Ph.D. at Stanford with an undergraduate degree from Columbia. He is a backer, advisor, and mentor at 50+ companies

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Guest Speakers

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Dr. Alton Barron, MD

Orthopedic Surgeon and Clinical Associate Professor at NYU Langone Medical Center

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Jordan Sale

Entrepreneur-In-Residence, Founder @ 81 Cents, UC Berkeley Haas MBA

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Dr. Jake Young

Neurosurgeon and former MCAT Instructor

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Roy Bahat

Head of Bloomberg Beta VC, Lecturer at UC Berkeley Haas School of Business

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Dr. Johan Aasbo, DO

Cardiologist with specialty in Cardiac Electrophysiology

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Kunal Bisla

Product @ Robinhood, formerly Sr. Product Manager at Netflix

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*We'll be adding more guest speakers in the coming weeks. All guests are subject to change. Thanks!
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Why Ratio 21?

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Led by graduates
and experts from top universities
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Learn through hands-on, project-based doing
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Flexible to fit your schedule
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Collaborate with and learn from highly-driven peers
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Impress colleges with a truly unique experience
e-learning platform for entrepreneurs