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[quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous][quote=Anonymous]At least based on test scores--which is a lot more objective measure than BASIS hate rages on this forum--BASIS DC crushes Latin and DCI.

In fact, kids at Latin barely move up in English and actually go down in math.  And at DCI, kids don't progress in either English or math.

At least at BASIS DC kids get better in both English and math.

Let's encourage BASIS to open more schools in DC.  Even though they have only been around a dozen years in DC, based on the data, they have a demonstrated track record of success.  You can't say that for other charters.

[u]Middle school PARCC scores 4+[/u]

Latin

ELA 68.24
Math 52.49

DCI

ELA 54.01
Math 38.68

BASIS DC

ELA 72.00
Math 62.40

[u]High school PARCC scores 4+[/u]

Latin

ELA 70.71
Math 30.47

DCI

ELA 41.87
Math 20.74

BASIS DC

ELA 92.06
Math 66.12[/quote]

Wow--that is eye opening![/quote]

They also washout kids who might lower their scores. If Latin and DCI also booted everyone who lowered their averages, their scores would be comparable.

This doesn't mean BASIS is good or bad, the test scores are clear, for the students who stay there, they score high. But comparing those three sets of numbers side-by-side... that's a sleight-of-hand.[/quote]

BASIS doesn't boot anyone. If you fail the grade, you have opportunities to test again over the summer, or retake the grade next year. That's not booting people. [/quote]

I didn't say they booted anyone. They wash them out... Call it what you want, there's massive attrition, and it leaves a relatively homogenous population of kids in terms of test scores. The other schools don't lose that many kids and have lower-performing cohorts — perhaps some that left BASIS, under one circumstance or another—that lower the averages.

[b]Look, if each school has 100 kids, and the top 20 perform very well, the bottom 20 perform very poorly and the middle 60 perform average (and given the lottery application system it is likely that all of these schools will have something like that breakdown in their freshman classes) and two schools maintain all 100 kids through the four years, their test scores are always going to be lower than the school that loses the bottom 20 and most of the middle 60.[/b]

As I understand the BASIS parent argument, eff that poor performing cohort and even the average kids, my kid who is the top 20 (hopefully) gets a great education! And that might be true! I mean, the test scores suggest the kids who remain at BASIS at the very least have some rather high ability!

But those test scores are not apples-to-apples.  Find some other metric—and there probably are some—that show BASIS is better.[/quote]

But the point I'm making is that BASIS doesn't set itself up to lose the bottom 20. The students that don't pass retake the test, or retake the grade. That means it is possible for a student that was formerly in the bottom 20 to move to the middle or be at the top. Sometimes it is better to retake the grade and than just be pushed along as the bottom student year after year.[/quote]

Maybe not via the tests but all the basis parents even gabble about how it’s selective and “not every kid can meet the challenge like mine can”. Winnowing is a feature. And it kicks a lot of kids to the curb instead of trying to teach. The high scores aren’t a measure of a great curriculum, it’s what happens when you cut the losers out of the bell curve.[/quote]

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