Linking Study

i-Ready Diagnostic: Linking Study with OST


  • Subject: Mathematics, Literacy
  • State: Ohio
  • Grades: 3-8
  • Study Year: 2017–2018
  • Program: i-Ready Diagnostic
  • Test Alignment: Ohio's State Tests (OST)

Published January 2020

How do i-Ready Diagnostic results connect to state testing? This research investigates the data from student Diagnostic scores in relationship to Ohio's State Tests (OST) in 2018, showing a high correlation between them. Download the full report to learn more about student outcomes in Ohio with i-Ready Personalized Instruction.