What makes FOSS so complete? Everything.

FOSS was conceived by the Lawrence Hall of Science to teach through hands-on active investigation, then refined by 100,000 teachers in the ultimate educational laboratory: America’s classrooms.

One package. One price.

Recommended K-8 Scope & Sequence.

FOSS Middle School Learn More >

PS: Physical Science content, ES: Earth Science content, LS: Life Science content, E: Engineering content *Half-length courses
†STEM course can be purchased as a supplement to the FOSS curriculum or purchased separately for STEM electives or extracurricular activities.

FOSS K-5 Learn More >

*Coming early 2020
†STEM modules can be purchased as a supplement to the FOSS curriculum or purchased separately for STEM electives or extracurricular activities.

FOSS: The one and only
Full Option Science System.TM

Enter a world of discovery.