Educational Testing Services (ETS) is an organization that provides a range of products and services, including research, test administration, test scoring, and more. This organization develops and administers AP, GRE, and SAT tests, among others.

Offers BRIGANCE Screening and Inventories products. Designed for use in elementary and middle schools, the CIBS-R is a valuable resource for programs serving students with special needs, and continues to be indispensable in IEP development and program planning.

When the first SAT was created, it was named the Scholastic Aptitude Test, signaling that its creators and the education world believed it to be a test of aptitude, or, a student’s ability to perform well in college. Aptitude tests supposedly measure talents that indicate possible achievement in the future, while achievement tests supposedly reveal how much someone has learned in the past. All these years later, we know the test never really did measure anybody’s aptitude to do well in college.

Crosspointe Educational Services is a mail order service that offers state-approved Survey and Complete Battery California Achievement Tests (CAT) in an effort to meet your testing needs. Their flexibility allows you your choice of testing dates and the opportunity to administer the test in the comfort of your own home; or you may choose to test with your support group or choose someone outside your home school to test your student.

The Princeton Review offers personalized private tutoring, test prep, and admission products and services to help students knock down barriers and achieve their academic goals. Search for schools and careers, find test preparation courses, get information on scholarships, and more. Covered tests include: ACT, AP, PSAT, SAT, SAT Subjects, TOEFL, ISEE, MCAT, DAT, OAT, LSAT, GRE, GMAT, CFA, and USMLE.

Although this article has some outdated date information in it, it is a good discussion of the use of the PSAT/NMSQT (Preliminary Scholastic Aptitude Test and National Merit Scholarship Qualifying Test) for homeschoolers, especially those who are interested in qualifying for certain scholarships.

Colleges will accept either the SAT or ACT. So which should you take? It's all about the numbers. Some students end up scoring substantially higher on the SAT; others do better on the ACT. The Princeton Review Assessment (PRA) is designed to help you determine which test is better fit with your abilities.

This website offers an alternative look at standardized testing. Students Against Testing was created to be a strong force against the score-obsessed education machine known as standardized testing. At the same time, SAT also exists as an advocate for bringing positive, creative and real-life learning activities into the schools.

As home schooling grows as a movement, there is increasing politics from anti-home school forces to try to interfere with or legislatively control home schoolers. This has come to include legislative attempts to force home school students to take standardized tests along with public school students. But mandatory testing doesn't work in public schools, and it won't work for home schoolers.

Seton provides affordable, nationally standardized testing, including ability and achievement tests, practice tests, and test prep materials for homeschoolers, private schools, and home school groups. Testing services and materials are available for grades K-12. Tests include the Stanford 10 Online, CAT E-Survey, IOWA Form E, and TerraNova 2/CAT 6. Ordering is easy and you will get test results returned within two weeks. 

Piedmont Education Services offers the Iowa Tests of Basic Skills (ITBS) and the Woodcock-Johnson III Tests of Achievement (WJ-III), along with test prep materials.

ACT vs SAT: which test is a better fit for your student? Students may take whichever test they prefer (assuming there are available testing locations for both tests). If you’re not sure which test your child would prefer, consider the key differences between the ACT and SAT. Some students find that the ACT caters to their strengths more so than the SAT, and vice versa. Need a quick side-by-side comparison of the tests? Check out this ACT vs SAT Comparison Chart.

Family Learning Organization offers standardized tests for homeschooling families. Through their Educational Assessment & Testing Service, tests may be obtained by parents to administer to their homeschooled children. Their services include standardized achievement tests (California Achievement Test, Fifth Edition), review of parent-administered assessments by a certified teacher, toll-free telephone answers to your questions about administering tests and interpreting results, and computerized score printouts for tests including Percentile Rankings, Grade Equivalencies, Stanine Scores and Scaled Scores, where applicable.

John Holt's article in which he lists questions that should be asked of school districts' testing policies.

Established in 1955, National Merit Scholarship Corporation (NMSC) is an independent, not-for-profit organization that operates without government assistance. NMSC conducts the National Merit® Scholarship Program, an annual academic competition for recognition and college undergraduate scholarships.