Register to apply for the SSAT if you're considering applying to private schools. The SSAT is a standardized test focused on math, verbal, and reading skills. It can be taken at a test center, on paper, or at home. For students grades 5-11, the test is 3 hours and 10 minutes long. For students grades 3-4, the test is 2 hours and 5 minutes long. https://www.ssat.org/.