Students pursuing a score for college entrance are encouraged to take the ACT/SAT in the Spring of their Junior year. 
An SAT School Day is administered in March for all Juniors in PBC School District. The test is free, and all Juniors are registered automatically by the District.

ACT
https://www.act.org

SAT
https://www.collegeboard.org

Khan Academy
https://www.khanacademy.org