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Nevada

Nevada. Transitioning from measuring status and reporting AYP, to measuring growth and reporting on School Performance. Status to Growth. 2003 – state reports student performance on state CRT program assessments, schools evaluated based on achievement of AYP for reading and math.

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Nevada

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  1. Nevada Transitioning from measuring status and reporting AYP, to measuring growth and reporting on School Performance

  2. Status to Growth • 2003 – state reports student performance on state CRT program assessments, schools evaluated based on achievement of AYP for reading and math. • 2009 state legislature passed a bill requiring the NDE to develop a new model for evaluating schools that included students’ academic growth as part of the equation.

  3. Motivation for change • AYP model identified increasing number (%) of schools as in need of improvement. • 55% of schools did not make AYP in 2011 • Limited ability to identify schools making progress • Focus on “bubble students” instead of increasing proficiency of all students

  4. Annual Measurable Objectives (AMO) 2010-2014

  5. School AYP Profile

  6. AYP model reporting – HSPE math

  7. How the results are reported • AYP model • School achieved AYP  • School didn’t make AYP  (In need of improvement)

  8. Nevada’s Growth Model • In 2010, State panel recommended use of the Student Growth Percentile (SGP) model • Nevada model based on the work of D. Betebennerin Colorado. • Growth model adopted by State Board and included as part of the state’s RTTT proposal • Growth model was included as a core component of the Waiver Application and is basis for new school performance framework and educator evaluation system

  9. What values are used to compute school performance • AYP model • Percent of students at or above the cut score for meeting the standards • Other indicator (ADA) • School Performance model • Growth* • Status (% of students meeting proficiency targets) • Gap • Other indicator (ADA)

  10. Growth* • SGP – all students with two consecutive years of data (>90% of all students in grades 4-8) • MGP – school Median Growth Percentiles reported for all schools and subgroups • AGP – Adequate Growth Percentile, growth to a standard, target is proficiency within 3 years or by grade 8.

  11. Why SGP • Nevada assessments are vertically aligned but not vertically scaled • Relatively simple to explain • Graphical display easy to understand • Relatively easy to calculate • Affordable • Significant support from school districts

  12. How the results are reported for students • Student reports include growth relative to their academic peers, and also indications of whether they are growing at a rate to attain or maintain proficiency. • Growth score • Catching up • Keeping up

  13. Reporting student growth

  14. How the results are reported for schools • Nevada School Performance Framework (NSFP) model uses both status (proficiency) and growth (SGP, AGP and gap reduction) to calculate an index score for each school • School receives an STAR rating (1-5 Star) based on an NSPF index score

  15. NV growth model –bubble chart

  16. Using growth as part of school evaluation Table 2.A.4 Elementary/Middle School Index

  17. How index scores are computed

  18. Index score computation (contd)

  19. Index Scores and Star Ratings

  20. Growth as a measure of educator effectiveness • 2011 legislature required development of a new educator evaluation system for the state • New system must use student performance as at least 50% of the final rating • Student performance rating includes: • Growth (SGP) 35% • Proficiency (status) 15% • Gap Reduction 5%

  21. Cautionary note • Study of the stability of school level classifications using the SGP model • Looked at classification error in designation of schools relative to measures of status and growth. • Need to use multiple years of data to be relatively confident in classifications. • Take away message: “You can use SGP to classify schools, but proceed with caution.”

  22. Richard N. Vineyard • Supervisor of Assessment Programs • Nevada Department of Education • rvineyard@doe.nv.gov

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