Mercer Island High School will host a mock ACT test on Saturday, Dec. 15. Registration will begin at 8:30 am., and the test will start at 9 a.m. and run until 1:15 p.m.

Students who are considering taking the test are encouraged to take the practice exam. Test results will only be shared with the student, and not any colleges.

No preparation is required to take the mock test.

Students who plan to attend the mock test should bring two No. 2 pencils with erasers, a photo ID and an acceptable calculator.

The cost is $30 per student.