2017-2018 Mobility Rates

The 2017-18 school year marked the eleventh year in which the Colorado Department of Education calculated and reported student mobility rates. These rates have been reported following the guidelines set forth in CCR 301-67 - “Rules for the Administration of Colorado Data Reporting for School Accreditation.” The stability rate represents the number and percent of students who remained at a district without interruption throughout the school year. A more in-depth calculation is provided.

Mobility Rates for 2017-18 Academic Year

District Level Data

School Level Data

Student Stability Rate =

Unduplicated count of grade K-12 students who remained in
the district in Year X

DIVIDED BY

Total number of students that were part of the same membership base
at any time during Year X

Mobility Incidence Rate =

Duplicated count of grade K-12 students who moved into or out of
the district in Year X

DIVIDED BY

Total number of students that were part of the same membership base
at any time during Year X

Student Mobility Rate =

Unduplicated count of grade K-12 students who moved into or out of
the district in Year X

DIVIDED BY

Total number of students that were part of the same membership base
at any time during Year X

Note: The mobility calculation timeframe was modified in the 2017-2018 school year so that only entries and exits that occur from the October Count date to the end of the school year are included in the calculation. Students must have a gap in attendance of more than 10 days for a move to be considered mobile.

For data requests, please email DataRequests@cde.state.co.us.

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