Welcome to Sigma STEM for Girls!

Sigma STEM for Girls is an educational STEM website that provides free online classes, videos, tutoring, and educational events for students, sparking students’ interest in STEM. It was launched in May 2020 by Emily Ren, a then middle-school student in Southern California.

‘Pathway to USA Biology Olympiad’ Weekly Online Workshop Series (videos available)

Sigma STEM for Girls has launched its weekly “Pathway to USA Biology Olympiad” Online Workshop Series since 5/2022. The first 8 weekly classes are now available on the website for students to watch, enjoy, and learn!

Pathway to USA Biology Olympiad Weekly Online Workshop Series – Videos

When Rocketry Meets Biology (videos available)

Sigma STEM for Girls is sharing some fun videos about a NASA student project in which students designed and conducted a biology experiment on Mimosa pudica plants in a rocket that can fly 4,200 feet high.

STEM Girls Love Music (videos available)

STEM girls love STEM, but stop calling us “geeks”! In addition to loving STEM, we also enjoy music, reading, movies, traveling, and many more! Here are some of the music videos of our performance!