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Arnold Hours & General Info

Located on the first floor - Room #114
Phone: 636-481-3593 Email: jcatc@jeffco.edu


Students must present a valid photo ID in order to test at the Testing Center.

  • A valid photo ID for classroom/online/hybrid testing is a Jefferson College Student ID. (Due to 2-step verification, a STUDENT ID is MANDATORY.) Nursing Students taking ATI required to have both Student ID and State ID.
  • A valid photo ID (Driver's license, State ID, Passport, Military ID) is required for placement exams.
  • A valid ID for 3rd party testing will be reflected on the 3rd party testing platform's policies and procedures.

*Please note, if the College is closed for any reason, the Testing Centers will be closed.


Testing Center Hours:

(Hours subject to change without notice.  Please check the announcements

or call Testing Center at 636-481-3147)

  • Monday, Tuesday, Wednesday  9 am to 4 pm

  • Thursday, Friday, Saturday, Sunday CLOSED

August 11 - 16, 2025 Opening Week Hours: 

  • Monday August 11, 2025 Hours 1:00 pm - 4:00 pm

  • Tuesday August 12, 2025 Hours 10:00 am - 4:00 pm

  • Wednesday August 13, 2025 Hours 9:00 am - 4:00 pm

  • CLOSED Thursday, Friday and Saturday

Holiday Closures:

September 1, 2025 Labor Day

November 11, 2025 Veteran's Day

November 26 - 30, 2025 Thanksgiving Holiday

December 22, 2025 - January 4, 2026 Winter Holiday