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Breaking down Decatur’s CRCT scores

Decatur

Breaking down Decatur’s CRCT scores

The City Schools of Decatur Board of Education holds its first regular meeting in its new board room at the Beacon Municipal Center. File Photo by Dan Whisenhunt
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The City Schools of Decatur Board of Education holds its first regular meeting in its new board room at the Beacon Municipal Center. Photo by Dan Whisenhunt

The City Schools of Decatur Board of Education holds its first regular meeting in its new board room at the Beacon Municipal Center. Photo by Dan Whisenhunt

This story has been updated. 

The Criterion Referenced Competency Tests will no longer be used to measure student performance, but let the record show that City Schools of Decatur tested well.

Joseph Austin, Director of Assessment and Accountability for CSD, recently released his interpretation of the most recent CRCT results.

He said he looks at the numbers two different ways: the overall meets-exceeds rate and the mean scale score.

Austin said he obtains the mean scale score by averaging all test scores. While the meets-exceeds rate ranking isn’t quite as impressive on paper, the mean scale score puts Decatur students among the top five in the state in most subject areas.

“Obviously we’re near the top,” Austin said. “We’re well ahead of the state as an average. We rank near the top in most subject areas and in most grade levels.”

Austin said the mean scale score shows that Decatur’s high-achieving students tend to out-perform high-achieving students in other school systems.

Here are the rankings Austin calculated for CSD compared with other systems, using both the mean scale score and meets-exceeds rate.

3rd Grade
SubjectCSD State Ranking by Scale ScoreCSD State Ranking by Meets/Exceeds %
Reading1st5th
ELA1st2nd
Math1st8th
Science1st7th
Social Studies1st4th

 

4th Grade
SubjectCSD State Ranking by Scale ScoreCSD State Ranking by Meets/Exceeds %
Reading1st7th
ELA1st10th
Math5th22nd
Science2nd16th
Social Studies2nd8th

 

5th Grade
SubjectCSD State Ranking by Scale ScoreCSD State Ranking by Meets/Exceeds %
Reading1st23rd
ELA1st20th
Math5th21st
Science1st10th
Social Studies1st11th

 

6th Grade
SubjectCSD State Ranking by Scale ScoreCSD State Ranking by Meets/Exceeds %
Reading3rd46th
ELA2nd19th
Math4th8th
Science4th8th
Social Studies10th24th

 

7th Grade
SubjectCSD State Ranking by Scale ScoreCSD State Ranking by Meets/Exceeds %
Reading2nd31st
ELA3rd11th
Math6th30th
Science3rd24th
Social Studies24th27th

 

8th Grade
SubjectCSD State Ranking by Scale ScoreCSD State Ranking by Meets/Exceeds %
Reading2nd22rd
ELA2nd32nd
Math14th38th
Science15th40st
Social Studies4th10th

This year, the state’s public schools will switch to the Georgia Milestones Assessment system.

Austin will give a presentation on the CRCT scores at the Board of Education’s July 8 meeting. Superintendent Phyllis Edwards also will give an update on CSD enrollment for the 2014-2015 school year.

Currently, the Kindergarten classes have five more students than the projected enrollment, according to Edwards’ report to the School Board.

“We continue to monitor enrollment and the report is attached as well,” Edwards report says. “Please know that even though it is summer, emphasis is still on efforts to ensure residency when enrolling as well as once students have been seated. It appears from a preliminary check that Kindergarten numbers are above the projected enrollment figure of 375. Oakhurst remains our largest school at 459 students with Winnona Park following behind at 353.”

The July 8 City Schools of Decatur Board of Education Meeting starts at 6:30 pm and will be held at the CSD central offices, located at 125 Electric Avenue. All meetings are open to the public.

UPDATED at 9:41 pm: Several readers had follow up questions for Austin. Decaturish.com forwarded those to him and received the following answers.

Puzzled asks, “Are the 3rd graders smarter than the older students or is something working less well as the kids move up into higher grades?”

A: Due to varying curricular standards and the design of the assessments comparing scores between grade levels would not be a valid way of evaluating student achievement.

Mike asks, “1. For the meet-exceed, what is the total number of schools evaluated for each class? 2. For the scale score, what is being averaged? All scores within a grade level?”

A: There are 180 districts.  The mean scale score is an average of all scale scores in a subject area for a grade level.

Ben asks, “Why is he using mean instead of median? I don’t know the distribution of scores but I would think that median and standard deviation (or interquartile range) would be better.”

A: His question is valid because median scores can account for outliers, but the state does not provide the median.

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