Poverty and Achievement in DC, 2011

Now let’s look at the percentages of students who ‘passed’ the DC-CAS in 2011 – that is, who were ‘proficient’ or ‘advanced’ according to the testing company.

First, reading pass rates by school in the regular public schools:

As you can see from the graph, at a majority (actually, 74 schools, or about 64% of the total) of the regular DC public schools, the pass rate in reading is under 45%. There are four schools where the pass rate is over 90% (they are, in order, School Without Walls,  Banneker SHS, Janney, and Mann. Here are the DC schools with pass rates between 80% and 90%: McKinley Tech, Lafayette, Key, Murch, Ellington, Deal, Oyster-Adams Bilingual, and Hyde-Addison. And there are three with pass rates under 10%:  Stanton, Garfield, and Eastern.

Here is the corresponding graph for the charter schools:

It’s interesting to me that there are NO charter schools this year with 90% or better pass rates in reading, and also NONE with a pass rate lower than 10%. In fact, there is only one charter school with a pass rate in reading greater than 80%: Washington Latin. On the other hand, there are only 31 out of the 73 charter schools (42%) with pass rates under 45%.

Now, the pass rates in math for the regular public schools:

and next the percentages of charter school students ‘passing’ the DC-CAS in math for 2011:

Once again, if you compare the two groups of schools, you see more schools scoring at the extremes (high AND low) among the regular public schools.

 

Published in: on August 9, 2011 at 8:30 am  Comments (3)  

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3 CommentsLeave a comment

  1. The fact that the charter schools have neither the lowest or highest scoring students in DC is not surprising. In my opinion, the very high-scoring students (probably mostly from middle- and upper-income families in NW DC) would not attend charter schools. In addition, the lowest-scoring students would not have the knowledge or parental involvement to apply to charter schools.

    Thus, charter schools take from the middle section of the DC school population: Those who want/need a better environment than their neighborhood school, and who have the knowledge, motivation and family support to apply to a charter school.

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    • I have come to the same conclusion. The charters are getting the middle-of-the-road students (both by income and educational achievement) whose parents want something better…

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  2. Guy –

    I want to suggest you do a comparison of test scores from the “report cards” data on the osse site and the “AYP reports”. I have had confirmed that the data is different because the AYP reports exclude the children who were kicked out of charters back to DCPS and all the late enrollees. It might give some sense of those issues. You also might do a bit on the special ed population differences.

    Mary

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