Colorado State Growth Summaries
- State Median Growth Percentiles
- Percent of students "Catching Up to Proficient"
- Percent of students "Keeping Up at Proficient"
- Percent of students "Moving Up to Advanced"
- State Summary Tables for Catch Up, Keep Up and Move Up (PDF)
- 2009 Colorado Growth Model Results by 2008 Proficiency Level (PDF)
State Median Growth Percentiles for Reading Writing, and Mathematics
Percentiles range from 1 to 99. The middle percentile in the range is called the median and is always 50. The state median growth percentile is always 50. This makes it possible to determine whether a group is above or below the middle score for the state and by how much. For example, a percentile of 35 would be well below the median while a percentile of 70 would be well above it.
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The percent of students "Catching Up to Proficient"
Catching Up to Proficient is defined as demonstrating enough growth to reach the Proficient or Advanced achievement level from a lower achievement level (Unsatisfactory or Partially Proficient) within three years or by 10th grade, whichever comes first.
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The percent of students "Keeping Up at Proficient"
Keeping Up at Proficient is defined as demonstrating enough growth to remain in the Proficient or Advanced achievement levels for the next three years or until 10th grade, whichever comes first.
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The percent of students "Moving Up to Advanced"
Moving Up to Advanced is defined as demonstrating enough growth to reach the Advanced achievement level from the Proficient achievement level within three years or by 10th grade, whichever comes first.
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