The Jefferson County Open School is an unconventional Kindergarten through 12th grade educational option in Lakewood, Colorado.

Since 1970, the Open School has provided a viable, vibrant, and life changing alternative to conventional schooling in Jefferson County. JCOS features a Kindergarten through 12th grade environment with inter-age groupings throughout the school. At all levels students work closely with their Advisor in the development of their personal curriculum. Both individually and in groups, advising is about developing strong, caring relationships between adults and students, and between students and studen...

Since 1970, the Open School has provided a viable, vibrant, and life changing alternative to conventional schooling in Jefferson County. JCOS features a Kindergarten through 12th grade environment with inter-age groupings throughout the school. At all levels students work closely with their Advisor in the development of their personal curriculum. Both individually and in groups, advising is about developing strong, caring relationships between adults and students, and between students and students. As part of our commitment to authentic experience, the Open School's extensive travel program sends students around the world and across the U.S. every year. Our emphasis on personal, social, and intellectual development helps to prepare students for an ever-changing world.