Brilliant.org is an interactive STEM learning platform that teaches math, science, data, and computer science through hands-on problems instead of passive video. Founded in 2012 by Sue Khim, the San Francisco-based company has grown to roughly 10 million learners and operates on a freemium subscription model with 90+ guided courses.
Afficient Academy is a Silicon Valley ed-tech company that uses a patented AI learning system to help K-12 students master math and English at their own pace. Through a hybrid network of virtual programs and physical learning centers across California, Nevada, and beyond, the company says more than 90% of its students advance a full grade level in 2-5 months with A/A+ results.