Guy Brandenburg, a retired DCPS math teacher analyzed the DC-CAS scores raw data and released the press release below on August 18. Guy reported that DC public elementary schools outperformed their charter school counterparts while the situation was almost exactly reversed at the secondary level with charter schools taking the lead. I did want to share portions of Guy's analysis with my readers. If you are desirous of reading the document in its entirety, please send me an email c/o saveourcounselors@gmail.com or leave a post on my blog with your email address.
REGULAR DCPS ELEMENTARY SCHOOLS OUT-PERFORM THEIR CHARTER SCHOOL COUNTERPARTS:
Situation Almost Exactly Reversed at the Secondary Level
"The results from last year’s DC-CAS flatly contradict the media-spread ‘wisdom’ that public charter schools always do better than regular urban public schools. In fact, regular DC public elementary schools out-performed the charter schools on the 2009 DC-CAS in 11 out of 14 categories. Strangely, at the secondary level, the results were almost exactly the opposite: in 12 out of 14 categories, the secondary charter school students scored higher.
These results come from a mathematically simple, but tedious, calculation of the averages of the percentages of students in the various subgroups who were deemed 'proficient' based on their scores on last spring's version of the DC-CAS (Comprehensive Assessment System) exam, which is taken by all DC public and charter school students in grades 3, 4, 5, 6, 7, 8, and 10 under the No Child Left Behind act, or NCLB. The computations were done by this writer by cutting and pasting the data into several Excel spreadsheets, separating the regular and charter schools, and taking averages of the averages provided for each group given in the data on-line.
On the elementary level, the regular public school students outscored the charter school students in the following eleven categories:
In both math and reading, the entire schools in question (about 48% versus 38% in math, and 48% to 45% in reading): in both math and reading, among the economically disadvantaged (meaning, those eligible to receive free or reduced-price lunches), by about 43% to 37% for math, and 43% to 42% in reading; in reading only, among the educationally disabled (also known as special education students) by a score of 32% to 26%; in both math and reading among LEP-NEP students (that is, students with limited or no proficiency in the English language), by scores of 55% to 48% in math, and 47% to 43% in reading; in both math and reading among black students, by scores of 46% to 37% in math, and 47% to 45% in reading; and in both math and reading among white students, by scores of 93% to 85% in math, and 92% to 91% in reading.
The only three categories where elementary charter school students did better were these:
In math only, among special education students, by a score of 29% to 28%; and in both math and reading among Hispanic students, by scores of 56% to 53% in math, and 49% to 47% in reading.
On the secondary level, the situation was almost exactly reversed......"
Posted by The Washington Teacher, press release courtesy of Guy Brandenburg
Showing posts with label DC-CAS. Show all posts
Showing posts with label DC-CAS. Show all posts
Jul 21, 2009
Rhee's Model School Shaw TKO'd By Non-Contender Sousa : Is It True ?
SOUSA BEATS SHAW
This deserves front page billing. Many of you asked in response to an anonymous post on The Washington Teacher whether Sousa middle school TKO'd Shaw middle school on the 2009 DC-CAS scores. ( I did a story on Sousa on June 23 titled: Chancellor Terminator Rhee Fires 8 DC Teachers At Sousa Middle School).
Well now, wouldn't it be funny if Sousa MS out ranked Shaw MS on their standardized tests ? Wasn't Shaw MS the 'pride and joy' model school of Chancellor Rhee ? Isn't Sousa MS the school where 8 DC teachers were terminated by the Rhee administration ? Wouldn't it be a travesty if we learned that Rhee acted too hastily and signed off on teacher terminations at Sousa MS before checking test results ?
I guess we all have to wait and see until the official school by school standardized test results are posted on OSSE's website. It is my understanding that principals already have this information. Suffice it to say for now, here's the low-down as reported by Anonymous:
"I came back to give ya'll the overall numbers for Shaw and Sousa so you can see I am being truthful. Shaw's reading scores for those who passed in 2008 was 38.52% this year those reading scores dropped to 29.65% The reading scores for Sousa in 2008 was 22.84% and in 2009 they went up to 39.42% The math scores for Shaw in 2008 was 33.33% in 2009, they went down to 29.46% The math scores for Sousa in 2008 was 16.75% and they went up in 2009 to 41.83%. Now none of these scores are worthy of bragging rights but this gives those on the outside of the system cold hard facts not propaganda. If you have any request for other schools let me know. The general public will be able to see these scores July 28th. " Signed Anonymous
Posted by The Washington Teacher
Well now, wouldn't it be funny if Sousa MS out ranked Shaw MS on their standardized tests ? Wasn't Shaw MS the 'pride and joy' model school of Chancellor Rhee ? Isn't Sousa MS the school where 8 DC teachers were terminated by the Rhee administration ? Wouldn't it be a travesty if we learned that Rhee acted too hastily and signed off on teacher terminations at Sousa MS before checking test results ?
I guess we all have to wait and see until the official school by school standardized test results are posted on OSSE's website. It is my understanding that principals already have this information. Suffice it to say for now, here's the low-down as reported by Anonymous:
"I came back to give ya'll the overall numbers for Shaw and Sousa so you can see I am being truthful. Shaw's reading scores for those who passed in 2008 was 38.52% this year those reading scores dropped to 29.65% The reading scores for Sousa in 2008 was 22.84% and in 2009 they went up to 39.42% The math scores for Shaw in 2008 was 33.33% in 2009, they went down to 29.46% The math scores for Sousa in 2008 was 16.75% and they went up in 2009 to 41.83%. Now none of these scores are worthy of bragging rights but this gives those on the outside of the system cold hard facts not propaganda. If you have any request for other schools let me know. The general public will be able to see these scores July 28th. " Signed Anonymous
Posted by The Washington Teacher
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