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One of our premier LMS tools is available for free!
The Marzano Growth Calculator

Get Personal Support from
Dr. Marzano Himself

No more waiting for state test results to accurately gauge student growth, when it's too late for meaningful intervention. Calculate reliabilities of teacher-created classroom assessments in a single classroom or across multiple classrooms. 
Watch the Tutorial
Take a tour of the Marzano Growth Calculator and learn everything you need to know from creating a free account to comparing test reliabilities across multiple classrooms.
Read the White Paper
by Dr. Robert Marzano

Dig into the research and theory that underlies this novel approach to determining mastery.
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Recorded Webinar on the Marzano Growth Calculator.

Personal w Bob
Personal Support from Dr. Marzano
Dr. Marzano will guide your team in the setup and use of the Calculator, and help your team interpret the results of a customized report based on your data.
Guidance and support include:
  • Creating a proficiency scale for a unit of instruction that will be taught by a group of teachers.
  • Creating a common pretest and posttest using the proficiency scale.
  • Administering and scoring the pretest at the beginning of the unit and posttest at the end of the unit.
  • Having teachers create and score their own interim classroom assessments.
  • For each student, computing the most precise estimate of their true scores using mathematical models.
  • Computing growth scores that are comparable across students.
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