Use the following links to help you prepare for most Graduate Admissions tests.

Graduate Record Exam (GRE)

GRE online
Your source of information about the Graduate Record Examination, required for most graduate programs. Includes sample test questions and strategies for taking the test.
 
Kaplan
Kaplan provides test preparation services for the GRE and other graduate exams. Their site includes a good overview of the various parts of the GRE, as well as sample questions and test dates.

Law School Admissions Test (LSAT)

Law School Admission Council Online
Great resource! Includes a helpful guide for registering for the LSAT, information on Law School Forums, materials on preparing for the LSAT and a directory of LSAC member schools.
 
Kaplan
Good overview of the various parts of the LSAT, plus test dates and preparation materials.

Graduate Management Admissions Test (GMAT)

Graduate Management Admission Council
Provides GMAT information and allows you to register for the test online. Also included are links to 200 graduate business school web sites and admission and financial aid information.

Kaplan
Good overview of the various parts of the GMAT, includes sample questions and test preparation information.

Medical College Admissions Test (MCAT)

AAMC's Official MCAT Web Site
Maintained by the Association of American Medical Colleges, this site allows you to register for the MCAT online and provides access to AMCAS , the centralized application service for medical school.

Kaplan
Basic overview of the MCAT includes test preparation information.

Teacher Preparation and other Educational Careers

New York State Teacher Certification Examinations (NYSTCE)
The New York State Teacher Certification Examinations™ (NYSTCE®) address New York Education Law and Commissioner’s Regulations, which require prospective New York State educators to pass designated tests as a requirement for receiving state certification.
 
Educational Testing Service - The Praxis Series (For States other than NY)
The Praxis Series Assessments provide tests and other services that states use as part of their teaching licensing certification process.
 
Educational Testing Service - School Leadership Series
The School Leadership Series consists of two assessments: The School Superintendent Assessment and the School Leaders Licensure Assessment.