Code.org

AP College Board has endorse code.org as a pre-approved curriculum. It has been used by most teachers of APCSP in FCPS. Other endorsed curriculum providers can be found here: 

https://apcentral.collegeboard.org/courses/ap-computer-science-principles/classroom-resources/curricula-pedagogical-support 

If you are interested in trying a different provider, be sure to get the approval of our curriculum coordinators