Choose from Over 250 Online Courses – Grades PreK-12      Browse Courses


Bring your school experience to life with fun and engaging elementary courses.

Learn More

Middle School

Keep learning exciting with interactive courses that will help you prepare for high school.

Learn More

High School

Earn your high school diploma online with self-paced, interactive online courses.

Learn More

Join our online school community

Acellus Academy brings together students from every U.S. state and from 40 countries worldwide.

Earn Your High School Diploma

Learn online at your own pace and graduate with a high school diploma.

Message From Our Executive Director

Read a special message from Dr. Kevin Baker, Executive Director of Acellus Academy.

About Acellus Academy

A Program of the International Academy of Science

Acellus Academy is a program designed to meet the needs of students being homeschooled or getting an education outside a traditional school environment. Acellus began as an initiative at the International Academy of Science in 2001 to improve math and science scores across the United States of America. Many years later, the program includes all courses for grades K-12 and has impacted over a million student learners in over 2,000 school districts nationwide.

Read More