It also might suggest that the benefits of school choice are limited to students attending a small subset of schools that admit few voucher students. (educationnext.org)
One might then use value - added scores (or other indicators) to compare teachers who work in the same subset of schools. (carnegieknowledgenetwork.org)
This school year is all about making sure we can provide exceptional service to a small subset of schools, earn their trust, and demonstrate impact. (educationnext.org)