Reply to Couldn't you just build a strong proximity preference to get the advantages of choice sets?

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Reply to "Couldn't you just build a strong proximity preference to get the advantages of choice sets?"

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[quote=Anonymous][quote=Anonymous]Here's why choice sets are a solution in search of a problem:

There are 139 schools in DCPS. At 127 (give or take) of them, every student who wishes to attend may attend. Boundaries don't matter. There are 12 schools that don't take every student that applies. Of those, seven take no students at all in the OOB lottery.

"Choice sets" are only about divvying up seats at those 12 schools. At every other school, everyone who wants to can go.

If the problem were that seats were currently allocated inefficiently, then choice sets would be a good solution. It's always a good strategy to get people to make their own choices to get higher utilization of assets. But seats aren't allocated inefficiently now. At those 12 schools, every seat is full.[/quote]

The proximity preference you propose is one way to make it easier to create the 13th school, and 14th, etc.

On Capitol Hill there are now schools that are perceived as such high quality that they get all the students they need from IB and no longer have space for OOB applicants.  Brent and Maury are two.  But there are a number of not-as-strong schools that might be able to take OOB students.  A proximity preference could accelerate the collection of the herd of high-SES parents to select ONE school to "improve" by selecting it as a destination for their high-scoring students.  If the high-SES population is concentrated it can flip a school to high-performing and become a desirable IB choice.  If the high-SES population is diluted or dispersed among all the schools in a choice set then there some possibility of "improving" all the schools in the choice set, but more likely, none of them improve enough to attract high-SES IB students. [/quote]

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