Wednesday, October 03, 2007

NCLB Stats, 2007 edition

The cold is (mostly) gone, the end of the quarter has passed and the business travel has slacked off; I finally have some time to update the blog. One of the things I've been working on during the last month or so is updating the DC NCLB data. I last played around with the data in 2005 (see here, here and here)

Below are some graphs (courtesy of this Google Speadsheet) showing the percentage of students who have tested as "proficient" in reading and math according to the No Child Left Behind annual report cards. I've broken out the data into four graphs, splitting the data by Elementary and Secondary schools and test type. BOE represents the charter schools that were charted by the DC Board of Education, DCPS represents the DC public schools and PCS represents the charter schools that were chartered by the DC Public Charter School Board.









If you see any errors in the data let me know and I'll research / correct them. I'll also update this post later with some more details.

UPDATE

You may notice a trend in three of the four graphs: The number of students who test as proficient dramatically decline from 2005 to 2006. What's the cause of this? I suspect it is mostly related to DCPS's change from the Stanford 9 battery of tests to the CAS. More on this later.

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