id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
epaa-2339	Wieczorek, Douglas	Principals’ perceptions of public schools’ professional development changes during NCLB	2017	49	.pdf	application/pdf	19509	1060	45	While not extensively studied, there is some evidence that school principals have different levels of instructional engagement with teachers depending school level (Volante, Cherubini, & Drake, 2008). The school principal’s role in teacher professional development.	cache/epaa-2339.pdf	txt/epaa-2339.txt