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Educational Diagnostician (253)

This new examination will replace the current Educational Diagnostician (153) exam. The last administration date for the current exam (153) will be December 31, 2020.

Registration for the new exam (253) is now open for testing beginning January 25, 2021.

Format

Computer-administered test (CAT) with 90 selected-response questions and 1 constructed-response question

Time

5 hours total appointment time

• 15 minutes for CAT tutorial and compliance agreement
• 4 hours and 45 minutes testing time

Exam Dates

Limited administrations during 2-week testing periods. Test appointments are available on a first-come, first-served basis Check appointment availability .

Exam Sites

CAT sites are located in Texas and nationwide. Locate a test center .

Passing Score

Must achieve a "Passed" status*
*Candidates will receive a Pass/Fail designation for an interim period until a minimum passing scaled score is established.

Exam Fee

$200
Additional fees may apply.
Review payment information.

Score Reporting

Scores are available at 10:00 p.m. Central time on the score report dates.

Policies

When you register, you must agree to abide by all program rules and policies.

Prepare

View the preparation materials available for this exam.

Exams may include questions that are evaluated for future administrations and do not affect a candidate's score.