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. 

Many parents arrive in the world of gifted education with a report full of tests results, supposedly defining their child as "gifted." But more often than not, parents have more questions than answers upon receiving those test results. And just as often, the short answers from the psychologist, the school, the teachers, and other parents do more to confuse than clarify.

Offering the California Achievement Test (C.A.T./5), specifically the C.A.T./5 Complete Battery and the C.A.T./5 Survey. They also offer TerraNova CTBS and TerraNova 2 (CAT/6) for homeschools, private schools, or organized groups. Test results are sent directly to you, helping you understand your student’s academic standing.

The National Center for Fair & Open Testing (FairTest) works to end the misuses and flaws of standardized testing and to ensure that evaluation of students, teachers and schools is fair, open, valid and educationally beneficial. They place special emphasis on eliminating the racial, class, gender, and cultural barriers to equal opportunity posed by standardized tests, and preventing their damage to the quality of education. Based on Goals and Principles, they provide information, technical assistance and advocacy on a broad range of testing concerns, focusing on three areas: K-12, university admissions, and employment tests. FairTest publishes a quarterly newsletter, The Examiner, plus a full catalog of materials on both K- 12 and university testing to aid teachers, administrators, students, parents and researchers. They also have numerous fact sheets available on standardized testing and alternative assessment.

To help you in the critical task of selecting appropriate materials for your child, Christian Liberty Press has developed several specialized services for homeschoolers. They can test your child and also provide a customized curriculum recommendation that is suited for your child’s skill level.

Catforms Testing Service offers the 1970 California Achievement Tests with their own answer sheets and computer scoring. Key features of this system include graphical results in color, cumulative comparisons from year to year, and a detailed analysis of strengths and weaknesses in each area of the test. In addition to the original 1970 norms, they also have their own norms, the Catforms Percentiles, which are updated annually from the tests they have on file. The Catforms Percentiles are not a national norm, but are useful in comparing your students' performance with others from Christian schools and home schools today.

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.

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.

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.

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

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.

The College Board is a not-for-profit membership association whose mission is to connect students to college success and opportunity. Founded in 1900, the association is composed of more than 4,700 schools, colleges, universities, and other educational organizations. Each year, the College Board serves over three and a half million students and their parents, 23,000 high schools, and 3,500 colleges through major programs and services in college admissions, guidance, assessment, financial aid, enrollment, and teaching and learning. Among its best-known programs are the SAT, the PSAT/NMSQT®, and the Advanced Placement Program®(AP).

PLATO Learning, Inc. delivers just-in-time online assessments that are tied directly to state and provincial standards. Their courseware includes thousands of hours of basic to advanced level instructional content for K-adult learners. They provide web based assessments that assist in placement, progress monitoring, and accountability requirements with diagnostic and prescriptive tests, simulated high-stakes tests, lesson progress tests, standards-based tests, and cumulative tests.

Trust Tutoring offers an Evaluation of Basic Skills, a standardized test of reading, writing, and math skills for ages 3-18.

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.