What Is Data SGP?

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Data sgp is a standardized measurement of student academic growth that can be used to determine whether a student grew more than, less than, or about as much as their academic peers. An SGP score is a number between 1 and 99; lower numbers indicate lower relative growth, while higher numbers indicate higher relative growth. SGP scores can be compared over time and across states or districts, making it possible to identify patterns of student achievement and to compare students with one another.

To calculate SGP, a student’s test results from the most recent assessment and at least one prior assessment are used. The most recent assessment is used to set the base value for the SGP calculation. Then, the base value is multiplied by a percentage that varies from state to state, based on the assessment’s cut score and the distribution of scores for all test takers who took the test. The resulting SGP number is then compared to other students’ SGP scores to determine the student’s relative growth percentile.

Teachers and administrators can use SGP data to compare a student’s progress with the average of their peers or other groups of students. SGP is also available for a specific window of time, which allows teachers to view how a student performed in a given period of time and determine if the student grew more than, less than, and/or about as much as their peers.

SGP analyses can be conducted using the lower level functions studentGrowthPercentiles and studentGrowthProjections, but it is often easier to use higher-level functions that “wrap” these steps into a single function call, particularly for operational analyses. The SGP package includes prepareSGP and updateSGP wrapper functions that work with LONG format data and embedded SGPstateData meta-data, simplifying the source code associated with these analyses.

SGP is a valuable tool for teachers and parents to measure student progress, but it’s important to understand how the calculation works so that you can interpret the results correctly. Read on to learn more about how SGP is calculated and what the results mean for your student. You’ll also find links to additional resources that will help you understand SGP better and make the most of this important information for your school.