The Grouping Matrix is an online computer program that groups students for instruction based on their decoding abilities and weaknesses. Use of the Grouping Matrix is free to schools and nonprofit organizations. Schools and nonprofit organizations need to obtain a password in order to use the Grouping Matrix. Click here to request a user name and password for the Grouping Matrix. Currently, the Grouping Matrix can be used to group students from the middle of 1st grade through 12th grade. |
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The Grouping Matrix uses scores from three quick assessments to group students based on the level of their decoding weaknesses. (For students younger than the middle of 2nd grade, only two are needed.) The three assessments and scores required to use the Grouping Matrix are: 1. One-minute oral reading fluency (ORF) screening assessment (AIMSWeb, DIBELS, TM, or any other grade-level passage). Any two of the following numbers must be entered for each student: The following from Really Great Reading’s Diagnostic Decoding Surveys*: 3. Advanced Decoding Survey (for students in the middle of 2nd grade and beyond) * The Diagnostic Decoding Surveys include the Beginning and Advanced Decoding Surveys. Really Great Reading offers a free set of Form A of the Diagnostic Decoding Surveys. To request the complimentary Diagnostic Decoding Surveys, click here. You can also order a User’s Guide that has detailed directions for the surveys and seven alternative forms for monitoring student progress. Click here for the User’s Guide order form. |
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Student Recommendation Categories The Grouping Matrix places students in one of the seven groups shown in the table below. The Grouping Matrix provides a maximum recommended group size and instructional recommendations for each group. When applicable, the instructional recommendations include materials that Really Great Reading publishes or plans to publish.
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Assessments Required for Using the Grouping Matrix
