A qualified student must have scored at the 95th percentile or above on a nationally normed, standardized test in the area that matches the class for which the student is applying (e.g. math scores for math classes, verbal or language scores for language arts classes, etc.).

Please note:

• Students previously enrolled and successful in CTD's Saturday Enrichment Program or CTD's Summer Program are automatically eligible for enrollment in the subject area of demonstrated strength.
• Pre-K - 1st grade students new to CTD must have an academic evaluation (see Testing).
• Students in grades 2 - 9 who lack qualifying test scores may submit an admission portfolio.

Tests accepted for Saturday Enrichment Program applicants:
CTD Evaluation
EXPLORE, ACT or SAT Test
Stanford Achievement Test
Iowa Test of Basic Skills (ITBS)
Illinois Standards Achievement Test (ISAT)
Cognitive Abilities Test (CoGAT)
Terra Nova Test
ERB Tests: Comprehensive Testing Program, Independent School Entrance Exam
Northwest Evaluation Association Tests (NWEA): Measures of Academic Progress (MAP), MAP for Primary Grades
Otis-Lennon Test
Kaufman Test of Education Achievement (KTEA)
Weschler Tests: WPPSI, WISC, WIAT
Woodcock-Johnson Test
Peabody Individual Achievement Test (PIAT)
California Achievement Test
Any other achievement test with a National Percentile Rank (NPR %)

• CTD requires and offers testing for students in Pre-K-grade 1 students who are applying for SEP and who do not have other available test scores. Comparable evaluations by a school psychologist may be used, provided that achievement scores in the areas of mathematics and language arts are included.
• Students in grades 2-3 who do not have test scores, have the option of being tested through CTD.
• The purpose of the CTD evaluation is to screen for admission into the program. It is not a general psychological evaluation and the results should not be used as such. Students must be at least four years old but not beyond the third grade to be evaluated.
• The CTD evaluation consists of achievement tests in: letter and reading recognition; early mathematics; general information; and tests of abstract logical reasoning ability, fine motor coordination, and abstract representation. Please refer to the PreK-3rd Grade Testing Program portion of our website for more specific information.
• The evaluation process takes approximately one hour and is conducted by a CTD test consultant. Parents receive a verbal and written report of their child's test results.
• Testing is available on Saturdays, if necessary. For test appointments, contact CTD at (847) 491-3782 or ctd-testing@northwestern.edu. There is a $110 evaluation fee, payable at the time of testing. Cancellation of an appointment must be made at least 24 hours in advance or a $20 fee will be assessed.

For more information, go to CTD PreK-3 Testing Program.