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.
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Elite Instructors

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Meet Our Experts

Aastha Jain
Aastha Jain
Program-Lead
UPenn Wharton Graduate; Head of Product @ SafetyWing
Amol Sarva
Amol Sarva
Program-Lead
Columbia University
Casey Mok
Casey Mok
Guest-Speaker
Data Scientist
Dr. Albert Lee
Dr. Albert Lee
Guest-Speaker
UCLA
Dr. Jake Young
Dr. Jake Young
Guest-Speaker
UCSF
Dr. Jen Rhodes
Dr. Jen Rhodes
Guest-Speaker
Harvard
Dr. Julia Raiskin
Dr. Julia Raiskin
Program-Lead
Harvard University
Dr. Lindsay Papachristou
Dr. Lindsay Papachristou
Program-Lead
Amherst, New York Medical College
Dr. Pamela Peters
Dr. Pamela Peters
Program-Lead
Duke University
Jordan Sale
Jordan Sale
Guest-Speaker
UC Berkeley
Kunal Bisla
Kunal Bisla
Guest-Speaker
Netflix
Lisa Friscia
Lisa Friscia
Guest-Speaker
Certified Health Coach
*We'll be adding more expert speakers on a regular basis. All speakers are subject to change.
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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