800score.com - Downloadable practice tests, preparation guides and online tutoring.

Scholastic Testing Systems - Comprehensive SAT, ACT, PSAT preparation with Studyguide, support tools and scholarship search software. College entrance test programs available for students or entire schools.

Test Professor.Com - The goal of this site is to provide online content to help teachers, parents, schools and students to better prepare students to pass state assessment exams.

csaforum.net - This is a discussion forum for candidates preparing for Clinical Skills Assessment (CSA), USMLE, ECFMG certification.

FCAT - FCAT 4th Grade Reading: A Staff Development Tool is a program designed to help teachers prepare students for the Florida Comprehensive Assessment Test.

Learnatest.com - Academic and professional test preparation and career resources, including grade school, SAT, ACT, law enforcement, firefighter, EMT/Paramedic, real estate, postal worker and military.

SSAT - Information and online registration for the Secondary School Admission Test. Independent schools using SSAT listed.

Fun Education - Offers testing materials for the State Standards SAT-9 tests.

Taking the Terror out of the Stanford 9 - Offers books and transparencies to prepare for the Stanford 9 Achievement Test Grades K-9. Includes pretests, postests and activities.

4Tests.com - Prep information for standardized tests: includes MCSE/MCSD, SAT, ACT, CLEP exams, LSAT.

ScholarStuff - Test preparation books, links and resources about preparing for the SAT, GRE, LSAT, MCAT, and TOEFL tests.

TABE Test - Test of Adult Basic Education (TABE). A practice exam covering all versions of the test is available to buy. Testimonials and FAQs.

TestTools, Inc. - The FCAT Simulation - Benchmark assessment and test simulation software for the Florida Comprehensive Test, FCAT and HSCT

The Steppingstone Foundation - Educational opportunity programs for students in Boston and Philadelphia, including programs preparing inner-city children for independent and public-exam schools.

Number2.com. - Free tutorials and practice materials for the SAT, ACT, and GRE.

REA Online - Test preparation for a wide variety of college and graduate school standardized tests including AP exams and the SAT.

Minnesota Basic Standards Test in Mathematics Practice Tests - Practice tests for the Minnesota Basic Standards test in Mathematics. Currently five 68 question tests.

Nova Test Prep - Prep materials for standardized tests.

AFN Publishing - Information about the eleven plus examinations in the UK and details of eleven plus practice tests available from this publisher. Stockist information and customer comments.

Career Avenues on the Web - Preparation for aptitude tests in India. Articles on management, finance and marketing. Mock tests, quizzes and message boards for those studying for MBAs.

So You Wanna - Tips for the GRE, SAT, and LSAT.

GMAX - Preparation for the SAT, GMAT, TOEFL, and GRE. Also offering spoken English courses. Based in Tel-Aviv.

SkillsTutor.com - Online skills courses for adolescents and adults preparing for the GED and state exit tests.

TCYonline - Correspondance and online tests for the MBA, MCA, GRE and GMAT exams. Site gives sample questions, strategies and advice.

OASIS - Web-based software for TAAS (Texas Achievement Test) objective alignment.

TestU - TestU provides a series of standardized tests such as the FCAT, MCAS, TAAS, New York Regents, and Ohio Graduation Test, among others.

Evans Newton, Inc. - ENI works with school districts to help increase test scores. ENI will create tests that help prepare students for state and national standardized tests.

Samlearning.com - A UK exam revision service for schoolchildren. Covers all the main subjects from KS1 SATs and GCSEs through to A Levels.

New York State Regents Test Preparation - Helps students and teachers prepare for the various NY State Regents exams. Customizable practice tests are generated from a database of actual questions from past Regents exams.

Dallas Medical Entrance - Training and preparation for the UMAT for students entering medicine or dentistry. Details of courses and venues and student comments. Based in Australia.

Personal Cutts Tutorial - Individual offering personal preparation for major standardized exams.

Barronseduc.com - Publisher of test-prep books for the New York State Regents exams, ASVAB, COOP, SSAT, CHSPE, and many other standardized tests.

The Princeton Review - Provider of SAT, ACT, PSAT, SAT II, GMAT, GRE, LSAT, MCAT, USMLE and TOEFL test preparation information and products.

TestTrade - Test repository for universities in the United States. Option to upload your own tests or read those from other students.

FCATPrep - Test preparation for Florida's standardized tests in reading and math for grades 3-10. Practice tests, interactive lessons and test-taking strategies.

NY High School Regents Exam Prep Center - Offers practice exams, writing guides and study strategies to prepare for the New York State Regents high school graduation requirements.

American Guidance Service - Choose from several of AGS's test preparation materials.

MCAS Preparation Software - Information for preparing for the MCAS Examination.

Preparing for the TerraNova - Provides the essential tools you need to ensure student readiness and success.

Achievement Data, Inc. - Online testing and management systems for schools and organizations. The web site offers the Minnesota Online Basic Standards Tests (8th grade version), which anyone can take free of charge.

Richardson Exam Prep - Offers live prep courses in Toronto, Canada and test information.

Tree Foundation - Classes to prepare for a range of standarized international assessments. Also courses in computing and English. Information on how to approach computer-adaptive tests, exam dates and summer schools. Based in Athens, Greece.

Brainchild Learning Tools and Online Assessment - Preparation for state standardized tests, including FCAT, SAT 9, TAAS.

Audio Learn - Offers study material and test prep for the MCAT, PCAT and DAT on audiotapes.

Cambridge Educational Services - Test preparation materials for teachers and students for standardized assessments in the US.

Kaplan - Live test preparation classes and college admissions consulting in most major US cities.

Edutest.com - Practice tests for state-mandated K-12 assessment tests. Immediate scoring and feedback available.

ExamWeb - Started as a way to study at home that is more effective than reading books, taking paper-based practice exams,  listening to audio tapes and gazing at the VCR.

Patent Bar Exam Testing Center - Online testing format to learn Patent Office (USPTO) rules and regulations.

Teachers' Treasures, Inc. - Provides teachers and parents educational resources to assess students mastery of essential skills. Offers the TAAS Busters and TEST Busters product lines.

Kidtest.com - Provides test preparation material for K-12 achievement tests, custom and pre-made flashcards.

College Test Prep - Find out how to prepare for the SATs, GREs, MCATs and more standardized tests.

Inspirica - A one-on-one tutoring firm that specializes in all standardized tests, academic tutoring and admissions support. It is based in Manhattan and will send any of its tutors anywhere in the world.

Advantage Education - Courses and online tutoring for major standardized tests. Located in East Lansing, MI.

Pass CSA Philadelphia - Review courses for CSA Clinical skills assessment.

American Book Company - State exit exam preparation books and software for middle and high school graduation, assessment training and proficiency development in all major subjects.