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Accountability Update: Top-to-Bottom

Learn about the Top-to-Bottom (TTB) ranking system used by the U.S. Department of Education to measure school accountability. This article covers the components of TTB, ranking changes in 2013, and the characteristics of priority and focus schools.

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Accountability Update: Top-to-Bottom

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  1. Accountability Update: Top-to-Bottom Alexander Schwarz Office of Psychometrics, Accountability, Research and Evaluation Michigan Department of Education

  2. Top-to-Bottom(TTB) List Used as measure of accountability U.S. Department of Education Schools ranked from 99 to 0 on student performance Schools held accountable: • Achievement • Improvement • Achievement Gap • Graduation (high schools only)

  3. Top-to-Bottom Ranking Reward: highest performing, greatest progress, Beating-the-Odds (BTO) schools Focus: largest achievement gaps Priority: lowest performing schools

  4. Top-to-Bottom Changes in 2013 • Highest four, five, or six year graduation rate used • z-score values are capped to -2 and +2 • Scorecard performance impacts Top-To-Bottom Priority and Focus categories

  5. Components of TTB Each component applies to each subject for a school: • Achievement • Improvement in achievement over time • Achievement gap measure between top scoring 30% of students versus the bottom scoring 30% of students Individual components tell schools something about their overall performance and can be used for diagnostic purposes

  6. Which schools receive a ranking? Schools with 30 or more full academic year (FAY) students in the two most recent years in at least two state-tested content areas Some schools do not receive a ranking if they: • Have too few FAY students • Only have one year of data • Have a grade span that does not include two tested areas

  7. Grade Span Difference • For Mathematics and Reading in grades 3-8, testing every year allows us to calculate improvement in achievement based upon individual student performance level change • All other subjects and grades use a slope calculation based upon cohorts of students

  8. What about reconfigured Schools? • A school must change by four or more grades in order to get a new code • Example: A K-2 building becoming a K-6 building • New codes are NOT granted when a school is reopened as a charter, for example • If not, the school retains the old code and continues to have data “point” to it from all students for whom that code is their feeder school

  9. Why do we use z-scores? • z-scores are a standardized measure that help compare individual student (or school) data to the state average data (average scores across populations) • z-scores “level the playing field” across grade levels and subjects • Each z-score corresponds to a value in a normal distribution. A z-score will describe how much a value deviates from the mean • z-scores are used throughout the ranking to compare a school’s value on a certain component to the average value across all schools

  10. z-Score “Cheat Sheet” Student z-score = (Student Scale Score) – (Statewide average of scale scores) Standard Deviation of Scale Score School z-score= (School Value) – (Statewide average of that value) Standard deviation of that value z-score Summary PowerPoint and Business Rules- http://www.michigan.gov/mde/0,4615,7-140-37818_56562---,00.html

  11. Modifications to 2012-2013 Top-to-Bottom • Based upon feedback from the field • Concern with outliers having an inordinate impact on the identification of focus schools • Modified all student level scores • Normalize all student z-score distributions • Cap all student z-score distributions at -2 on the lower end and at +2 on the upper end

  12. 2012-2013 Focus School Status • Prohibit from appearing on the focus list any schools as defined by both of the following: • The school’s bottom 30% group proficiency rate is higher than the state average proficiency rate in at least two subject areas • The school’s top to bottom percentile rank is at least 75

  13. Good-Getting-Great • Applied in 2012-2013 Accountability Cycle • Prohibit from appearing on the focus list any schools as defined by both of the following: • The school’s bottom 30% group meets the safe-harbor requirement in all applicable subject areas as determined in the Accountability Scorecard • The school’s top to bottom percentile rank is at least 75

  14. Overview of Ranking Results • 2798 Schools ranked • 137 Priority Schools • 52 new schools • 85 first designated as Priority in previous cohorts • 349 Focus Schools • 342 Reward Schools

  15. Characteristics of Priority Schools • High schools not more likely to be Priority Schools • E/MS schools make up a higher proportion now • Percent of students in school who are LEP  no strong relationship with Priority Status • Percent of students SWD  related to Priority Status (as % SWD increases, so does number of Priority Schools) • Very strongly related to economic disadvantage • 73% of our Priority Schools in the 2013 cohort are high economic disadvantage (over 75% of students ED) compared with 18% of the state • Also strong relationship between % minority students and Priority status; not as strong as ED • Urban schools overrepresented; rural schools underrepresented

  16. Characteristics of Focus Schools • 185 schools were Focus in 2012 and 2013 • 164 are new to Focus in 2013 • 173 came off the list • 8 became Priority • 125 have no label • 37 are Reward • 3 are not ranked

  17. Focus 2013 relative Focus 2012 More schoolwide Title I schools identified More rural schools, fewer urban schools, more small and large schools, fewer 400-800 student schools Fewer low ED schools, more 50-75% ED schools

  18. Resources Available • Complete TTB list of all schools and their ranking • At-A-Glance Document • Individual school look-up to see your school’s results • Business rules by which the rankings were calculated • Complete data file and validation file • Links to separate pages for each of Priority, Focus and Reward schools You can access these resources at www.mi.gov/ttb

  19. Resources Available • Separate pages for each of Priority, Focus and Reward schools • At-A-Glance Documents • Powerpoints for understanding each status • Overview presentations with voice over • Documentation for supports • Look-up Tools You can access these resources at www.mi.gov/priorityschools www.michigan.gov/focusschools www.michigan.gov/rewardschools

  20. Additional Assistance • You can also request individual assistance by calling the Office of Evaluation, Strategic Research and Accountability (OESRA) at 877-560-8378, Option 6 or emailing mde-accountability@michigan.gov

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