Catholic High School Placement Test

Students who plan to attend Mount St. Mary, Bishop McGuinness or Cristo Rey are required to take the STS high school placement test. The test is offered at both high schools.

2019-2020 STS High School Placement Testing Dates at MSM:

Saturday, September 28th

Saturday, November 16th

Students should arrive at MSM between 7:30-7:45am in order to check in.

Testing will start promptly at 8:00 am and will end at approximately 11:30am.

Students will need to bring two #2 pencils.

No calculators are allowed.

No cell phones or smart watches can be used during the test, though students may bring their phones with them.

Once registered online, you will receive an email one week prior to the testing date with additional details and information.

For questions, please contact Elle Muzny at

Click here to register for the Catholic Placement Test

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Mount St. Mary Catholic High School
2801 S Shartel Ave Oklahoma City, OK 73109
(405) 631-8865
A Catholic Mercy School in Oklahoma City serving Grades 9-12
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