Percentile/SFO Comparison Charts. Data and Evaluation Division Feb 2008. Purpose of presentation. To explain to schools the replacement for the Like School Group approach, the Percentile/SFO Comparison Charts. Topics. The Problem The Previous Solution (LSGs) Alternatives Considered
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Data and Evaluation Division
To explain to schools the replacement for the Like School Group approach, the Percentile/SFO Comparison Charts.
How does my school’s student achievement score compare to other schools, given that my school is “different” to the average school?
1) Like School Sphere
2) Percentile/SFO Comparison Charts
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
Nameless Primary School
Lowest scoring school
Highest scoring 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
The (up to) 20% of schools that are most like this school in terms of SFO.
Parent Opinion Survey
Student (Attitudes to School) Survey