At the high - school level, the comparison group is likely to be, for example, all history teachers or all science teachers across the district. (educationnext.org)
The thoughts, suggestions and ideas from thousands of teachers across the district helped establish the foundation of this system. (cps.edu)
Because this study was conducted with beginning teachers across districts and had no jurisdiction over requirements for other teachers in the schools, those two adaptations did not seem to be viable options. (citejournal.org)