TEST PREP
Regents Exams
Past Regents Exams
https://nysedregents.org/
Regents Review 2.0 - the NY State Regents Examination Preparation site
For each Regents exam there is a one-hour long exam review video. Some of the videos are also broken into shorter clips for those looking for help with a particular topic.
http://www.wcny.org/education/regentsreview/
Regents Review 2.0 - from PBS Learning Media
The Regents Review 2.0 collection includes 50 videos produced by New York Network, a service of SUNY, in collaboration with the Association of Public Broadcasting Stations of NY.
https://ny.pbslearningmedia.org/collection/rr10/#.WRHeevnyuUk
Khan Academy
While Khan Academy does not have a specific Regents Prep section, the numerous tutorials and exercises cover many of the topics covered on the Regents exams, and will provide excellent preparation for the exams.
https://www.khanacademy.org/
SAT & ACT
SAT Prep - Khan Academy
https://learn.khanacademy.org/
Princeton Review - SAT Practice Tests and Events
https://www.princetonreview.com/college/free-sat-practice-test#!practice
College Board - What's on the SAT?
https://satsuite.collegeboard.org/sat/whats-on-the-test
Princeton Review - ACT Practice Tests and Events
https://www.princetonreview.com/college/free-act-practice-test#!practice
Free ACT Test Prep Guide
https://www.act.org/content/act/en/products-and-services/the-act/test-preparation/free-act-test-prep.html