Top advertisers for education sites: Apollo Group, Classes USA, DeVry

Nielsen//NetRatings ranked top 20 advertisers buying ads on education sites. The first week of April was covered.

Top 20 advertisers for education sites
Company	Impressions, 000	% of all impressions
Apollo Group	357,081	44.6%
Classes USA	95,843	12.0%
DeVry Inc.	78,454	9.8%
American Inter- Continental University	55,076	6.9%
Strayer Education	40,782	5.1%
Sylvan Learning Systems	38,590	4.8%
Colorado Technical University	18,615	2.3%
University Alliance	13,802	1.7%
Walden University	13,713	1.7%
Boston University	8,455	1.1%
Monroe College	7,653	1.0%
New York Film Academy	4,301	0.5%
Villanova University	3,561	0.4%
Columbia University	2,985	0.4%
Southern Wesleyan University	2,418	0.3%
Kennedy-Western University	2,384	0.3%
SkillSoft	1,982	0.2%
Capella Education Company	1,722	0.2%
Emmanuel College	1,595	0.2%
George Washington University	1,540	0.2%
Total	799,872	100.0%
Source: Nielsen//NetRatings AdRelevance