CHESS (Colorado Heritage Education School System) is a non-profit, parochial, private Christian school under the direction of Calvary Chapel of Greeley that supervises and supports families who educate their children at home. CHESS was founded in 1991 and has an enrollment of 200 plus families from all parts of Colorado. CHESS has many programs specially designed for home school families to help them meet the challenges of today's world both spiritually and academically. These programs may be used in conjunction with one another or independently as needs arise.