These two databases cover all education topics and are the best place to begin searching for articles:

ERIC
(via EBSCOhost)

The most important database in the field of education, with nearly a million abstracts of documents and journal articles on education research and practice. See also the free Gov. ERIC web site.

Education Full Text
(via WilsonWeb)

Education Full Text contains full-text articles, citations, and abstracts from over 478 core international periodicals, monographs, and yearbooks in education research. It covers more than 90 periodicals not indexed in ERIC.

Educational Administration Abstracts
(via EBSCOhost)

Educational Administration Abstracts contains citations and abstracts covering areas related to educational administration and leadership.

These next databases have a substantial number of education articles:

ProQuest

Full-text articles, citations and abstracts covering all subjects.

Wilson OmniFile Fulltext

Full-text articles, citations and abstracts covering all subjects.

PsycINFO
(via EBSCOhost)

Citations and abstracts from nearly 2000 publications in the field of psychology and the psychological aspects of related disciplines.

Psychology and Behavioral Sciences Collection
(via EBSCOhost)

Over 500 full text psychology and related journal titles. (Most titles are indexed and linked in the PsycINFO database).

These databases have full text newspaper articles:

LexisNexis Academic

Hundreds of regional, national, and international newspapers; business publications, and much more.

ProQuest Newspapers

Nine national newspapers including the Los Angeles Times and Wall Street Journal.

These next databases have a substantial number of education-related articles, but from other disciplinary perspectives:

ABI / Inform
(via ProQuest)

Full-text articles, abstracts and citations to publications covering business, management, and economics. Includes full-text of the Wall Street Journal from 1984.