Supporting Student Growth and Program Improvement with Colorado’s Growth Model

CCSSO · June 2008

Supporting Student Growth and Program Improvement with Colorado’s Growth Model — CCSSO, June 2008.
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June 17, 2008

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  1. Supporting Student Growth and Program Improvement with Colorado’s Growth Model Dwayne D. Schmitz (dschmitz@psdschools.org) Poudre School District Fort Collins, CO CCSSO - June 17, 2008 June 17, 2008 1 Dwayne Schmitz, PhD.
  2. Student Growth Percentiles Provide: ■ Useful measures of student growth ■ Typical Growth ■ Adequate Growth ■ Identification of programs associated with unusually high or low levels of growth ■ Individualized projections of what future levels of growth will “buy” a student in terms of performance levels June 17, 2008 2
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  6. Understanding School Performance High High Status High Status Low Growth High Growth Achievement Level (Status) Low Status Low Status Low Growth High Growth Low Low Longitudinal High Growth June 17, 2008 6
  7. Math 2007 Data for One District June 17, 2008 7
  8. Broad 2 Year District View of Growth Reading Writing Math Median Student Growth Percentiles District-wide Information District Median Student Growth Percentile 51 52 52 52 52 55 Elementary School(s) 56 57 59 57 57 60 Middle School(s) 47 50 46 49 49 52 High School(s) 44 49 47 49 48 54 Grade 4 58 57 59 57 53 57 Grade 5 49 51 52 54 54 57 Grade 6 62 64 66 62 64 66 Grade 7 43 50 42 43 41 46 Grade 8 46 45 42 46 47 45 GradeJune Grade 10 43 48 45 48 46 53
  9. Broad 2 Year School View of Growth Reading Writing Math Median Student Growth Percentiles 2006 2007 2006 2007 2006 2007 School Information Elementary 1 53 60 63 54.5 44 57 Elementary 2 71.5 59 63 60 61 55 Elementary 3 55 52 57.5 67.5 59 58 Elementary 4 63 58 52 51 63.5 65 Elementary 5 42 45 43 40 41 54.5 Elementary 6 65 67.5 70 78.5 61.5 69 Elementary 7 45 48 41 46 48 59 Middle School 1 55 43 50 44 47.5 38.5 Middle School 2 38 41 43 41 54 45 Middle School 3 58 72 63 71 65 66 Middle School 4 46.5 41 33 43 34.5 42 Middle School 5 60 59 70 71 64 52 High School 1 34 41.5 43 44 39 49 High School 2 50 46 47 45 52 48 High June School High School 4 44 54 47 52 50 58
  10. One Cohort’s Movement Through A School – Math 2005 to 2007 7th SGP Medians (2005-2007) 8th SGP Medians (2005-2007) 9th SGP Medians (2005-2007) 80 80 80 9th MedSGP_7th MedSGP_8th MedSGP_9th 8th 7th 2006 Year Year Year June 17, 2008 10
  11. SES & School Aggregates: 9th Grade Math Average Scale Score Median Growth Percentile AA A A AA A AA AA A AAA A AAAA AAA A 75 AAAA A AA AAA A AA MeanScaleScore A AA A A AAA A A A A A AA A AAAA A A AA AA A AA A A AA A A AA AA A AA A A AA A AA A AA A A AA AA A AAA A AAAA A A A AAA AAA A MedSGP AAA AAA AA A A A AA A AA AA A A A A A A AA A A AA A AA A A A AA AA A AA A A A A A AAA AAA A A A AA AA AA AA A AA AA A A AA A A AA A AA A A AAA A A A AA A A A A A AAA A A A AA A A A AA A A AA AA A AA A A A AA A AA A A AA A A A 50 AA A A A A AA AA AA AA A A AA A AA AAA AAAAA AA AA AA A A A A A A AA A A A AAA A A AA A AA A A A AA AA A A A AA A A A AA A A A A A AAAAA A A AA AA A A AA A A A A AA A A A AA A AA A A A A AA AA AA A A A AA A AA A A A A AAA A A A AA A A A AA ForR_Pct ForR_Pct June 17, 2008 11
  12. ELL & School Aggregates: 9th Grade Math Average Scale Score Median Growth Percentile A AA A A AAAAA A A AA A AA AAAAA AA 75 AAA AA A AAA A A AAAAA A A MeanScaleScore A AAA A AAAA AA A A AA A AA A A A AAAAAA AA A A AAAA AAA AA A AAA AAAA A AAAA AAAA AAA A A A MedSGP A AAA AA AA A A A A AA A AA A A AA A A AA A A AAAAA A A AAAA A A AAAAA A A A A A AA AA A AA AAAA A A AA AA A A A A A AAAA A A A A AAAAAAA AA A AAA AA A AAA A A AAA A AA A A AA A A AAA AA A A A 50 A AAA A A A A AA AAAAAAAAAAAA A AA A AA AAAA A AA AAAA AAAAA A A AA A A AAAA AA A A AAA A AAA AA A A A A A AAAA A AAA A A AAAA A A A A A 550 AA A A AA A A A A A AAAA AA A A A A A AAA AA A AA A A A A A A A AA AA A A A A 25 AA AA ELL_Pct ELL_Pct June 17, 2008 12
  13. Validity Check: Alignment with an Appropriate Trajectory Model ■ Ideally, broad conclusions regarding student growth would not be sensitive to model choice, assuming models used are appropriate. June 17, 2008 13
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  15. Recall: Scatter Plots and Correlation Correlation = 0.975 Each point is a single persons height measured in inches and in feet by Height_ft elementary students. The points do not fall A on a perfect line due to A measurement error. Height_in June 17, 2008 15
  16. 2007 CEM Effects and Median SGP 9th Grade Math AA AA A AA A AA A A A A CenteredEb0_07 A A A A AA A A AA A A AA A A AAAA AA AA AAAA AA A AA A A A AA A A A A AAAAA A A A AAAAA AAA A A A A A AAA AA AAA AAA A A A A A AA A A AA A A A A AA AA A AA AAA AA A A A AAA AA AA AAAAA AA A AA A AAAA AAA A 0 A AA A AAAA A A AAA AA A AAA A A A AA AA AAAA A AA A A A A AAA AA A AAAA A A AA A A A A AAA AA AA AAAA AAA AA AA AA A A AA A A AA AA AAA A A A A AA A AA AAA A A A A AAA A AAA AA A A A A A A AA AA A AA AAA A AA AA AA A A AA A A A A A AA A A AA Med_M07 June 17, 2008 16
  17. 2007 CEM Effects and Median SGP Correlations for All Data Subsets Grade Reading Writing Math ■ Note: SAR growth eligible students only. June 17, 2008 17
  18. Several Benefits of Student Growth Percentiles: ■ Understandable at conceptual level which is critical for generating meaningful discussions ■ Provides defensible and actionable answers to basic questions about academic growth ■ Not overly dependent on measurement properties of underlying instrument ■ Readily supports secondary analysis at district and school level June 17, 2008 18
  19. Adoption and Use of Student Growth Percentiles in Colorado ■ http://www.cde.state.co.us/index_accredit.htm June 17, 2008 19