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When learning challenges create questions, our nationally certified evaluation specialists provide answers that make a difference.

Our Office Locations

Choose a location below to view office details and directions, or select Nationwide Testing Online for those outside the state of Texas.

Why People Across the U.S.A.

choose Diagnostic Learning

  • Accurate, comprehensive evaluations

  • Clear answers and a plan forward

  • Accepted by schools and testing agencies nationwide

  • 22+ years of trusted expertise

  • 10-14 days turnaround on results

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