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DC Public and Public Charter Schools
Reply to "Common Lottery Algorithm"
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[quote=Anonymous]Yes, the computer is programmed to take certain preferences into account for specific schools. Example, Tyler SI actually takes OOB sibs BEFORE IN BOUND non-SIBS, to support language learning at home. This means that Tyler SI's preferences are different than Brent's, which are different from SWS' since their only preference is sib. Charters are not currently allowed to offer proximity preference per the charter laws. My understanding is that we are using a model closer to New Orleans, and not Denvers. The computer isn't going through such a complicated assessment of thousands of children's rankings at once. It's going student by student as they are drawn and matching them according to the WAY they've ranked schools, this is the only way the ranking matters. Say it's a coveted school like MV: Student lotto #0001 ranks it #1, he has no preference but he gets a spot because he's early. #0001 keeps that spot until #0287 pops up, who has sibling preference at MV and has ranked the school #1. There are no non-sib spots left at MV so #0001 gets moved to top of MV's wait-list and moved down to a spot that still exists in his #2 ranked school. The only people after #0001 that can take his spot are students with preference. Even if he gets moved all the way to his #6 rank (let's say ludlow Taylor), and lotto #1289 is pulled who has ranked ludlow taylor their #1, #0001 still keeps the spot at L-T. [/quote]
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