This site lists dates for SATs and deadlines for registration. http://www.collegeboard.com/student/testing/sat/calenfees.html
This site belongs to the Department of Education and answers questions about MCAS testing. It also has sample problems. http://www.doe.mass.edu/mcas/
This site provides individual practice for MCAS testing. If you need help registering, let me know. http://massone.mass.edu/
This site will give you information on the ACT tests. http://www.actstudent.org/
This site will tell you when the ACT tests are offered. http://www.actstudent.org/regist/currentdates.html
Practice SAT questions https://satonlinecourse.collegeboard.com/SR/loginAction.do?loginType=schoolStudent