The AP Exams are administered each year in May to students. These standardized exams are designed to measure how well you know the content of the AP Course you have taken.
AP Exams Information 
  
The ACT is a US college admissions test, measuring what you learn in high school to determine your academic readiness for college. ACT Information and Test Dates
   
The PSAT is offered nationally every year in October mostly for Juniors, but Sophomores can take them as well. Ask your school counselor for more information. PSAT Information
  
The SAT is a standardized test widely used for college admissions in the United States. 
 SAT Information and Test Dates