Welcome to the NATC website

The National Assessment Testing Clearinghouse (NATC) is an

information clearinghouse that provides schools and programs with

publisher direct assessment and placement tests.

Approved tests for your school

  • Used by schools and programs across the U.S. and Internationally

  • Researched for reliability, validity and freedom of bias

  • Economical and easy to administer

  • Paper/Pencil or Computer Delivered Tests available

  • CELSA is BPPE and US Dept. of Education approved for "ATB"

(This may take a few minutes to download depending on your download speed.)

The CELSA ATB User Guide for 2011 (tech. manual)

CELSA Test Administrator Certification Questionnaire

Independent Test Administrator Cert. form

Verification of Assessment Center Eligibility for ATB