Keystone School Online

The Keystone School Online is a private online K–12 school operated by Stride, Inc., a for-profit education company headquartered in Reston, Virginia, United States.^[1]

The Keystone School Online
Location
Information
School type	For-profit private online K–12 school
Administrator	Stride, Inc.
Grades	K–12
Campus type	Online
Website	keystoneschoolonline.com

With Credit Recover offerings, students can earn their high school diploma at Keystone or take courses to supplement another high school or homeschool program. The school's first courses were introduced in 1974 as part of the Learning and Evaluation Center. Keystone took its current name and became a major part of the homeschool market in 1994. Over 200,000 have enrolled in Keystone's educational programs. The current enrollment is 10,000+ students.

K12 Inc. (now named Stride LRN) acquired Keystone in 2010.^[2]

Notable alumni

• Michaela DePrince,^[3] ballerina for the Dutch National Ballet
• Takanyi Garanganga, tennis player
• Maria Sharapova,^[4] Russian tennis player