The Chicago choice system works exactly as every choice system works: It segregates students by ability.
“But a new WBEZ analysis shows an unintended consequence of the choice system: students of different achievement levels are being sorted into separate high schools.
“WBEZ analyzed incoming test scores for freshmen from the fall of 2012, the most recent year data is available. That year, the district mandated that every high school give students an “EXPLORE” exam about a month into the school year.
“The 26,340 scores range from painfully low to perfect.
“WBEZ found few schools in the city enroll the full span of students. Instead, low-scoring students and high-scoring students in particular are attending completely different high schools. Other schools enroll a glut of average kids.”
“The findings raise some of the same long-running questions educators have debated about the academic and social implications of in-school tracking. But they…
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