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Percentile/SFO Comparison Charts

Percentile/SFO Comparison Charts. Purpose of presentation. To inform you of the proposed replacement for the Like School Group approach, known as the Percentile/SFO Comparison Charts. What Data Will We Have?. The School Level Report The AIM Data Teacher VELS grades Student Survey results

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Percentile/SFO Comparison Charts

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  1. Percentile/SFO Comparison Charts

  2. Purpose of presentation • To inform you of the proposed replacement for the Like School Group approach, known as the Percentile/SFO Comparison Charts

  3. What Data Will We Have? • The School Level Report • The AIM Data • Teacher VELS grades • Student Survey results • E-Potential survey results • Maths/Science tools being developed • Individual teacher feedback from students • Anecdotal information And lots more!!

  4. Be Careful… When we look at data, we must consider ‘what is important?’ What can be counted may not count… What counts possibly cannot be counted. Einstein

  5. The Previous Solution - LSGs • “Like” school groups (LSG) commenced in 1996 • Created so schools could compare their performance to “similar schools” • 9 LSGs based on two measures; • EMA/Youth Allowance: proportion of students in school in receipt of EMA or Youth Allowance • LBOTE: proportion of students from a language background other than English

  6. Student Family Occupation (SFO) densities • Indicator of socio-economic status • SFO accounts for 38% of variance in student achievement • LBOTE only accounts for an additional 5% • Used in Student Resource Package • 3 years of SFO data (2004-2006)

  7. 2005 SFOs for primary & primary/secondary schoolssorted from highest to lowest socio-economic status (SES) Nameless PS Lowest SES 22nd percentile Highest SES

  8. 78% of schools have a student population from a higher socio-economic background 22% of schools have a student population from a lower socio-economic background NamelessPrimary School

  9. 2005 AIM Year 3 Reading mean scoressorted from lowest to highest score Lowest scoring school 20th percentile Nameless PS Highest scoring school

  10. Nameless Primary School If socio-economic status, as measured by SFO, was the sole determinant of student achievement, you’d expect the school’s achievement percentile to be in the same vicinity as the SFO percentile. 20% of schools have a lower AIM score

  11. 2005 SFOs for primary & primary/secondary schools sorted from highest to lowest socio-economic status (SES) Lowest SES Nameless PS Highest SES

  12. Nameless Primary School The (up to) 20% of schools that are most like this school in terms of SFO.

  13. Nameless Primary School Expected Result 2004 School Result 2004

  14. Numeracy

  15. Numeracy

  16. Value-add? No • Not an attempt at value-add • Simply is what it is • If SFO was the sole determinant of student achievement, a school’s student achievement percentile would be within the “vicinity” of its SFO percentile. If it’s above (or below), the school could hypothesise why.

  17. Some Examples • Have a look at the six examples • What can you tell about the school in each case? • Would you say they are successful? • What extra information would you want?

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