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.

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.

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.

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

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.

Future School online learning systems support your entire family in both the classroom and the home using only qualified teachers to ensure its educational services. They offer tutoring students in the home, classroom and after school facilities, providing both face-to-face, telephone and online assistance in the two core areas of literacy and numeracy. Future School has also many years experience in the development of Basic Skill Tests in mathematics and English covering years 3, 5, and 7, including the materials, delivery, marking, psychometrics and reporting to Education Departments, schools, and parents.

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.

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.

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

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.

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.

Offers the Iowa Tests of Basic Skills (ITBS), the Stanford Achievement Test, the Cognitive Abilities Test (CogAT), and the Otis-Lennon School Ability Test (OLSAT). There are some specific guidelines for administering these tests, including requirements in some cases for a bachelor's degree, teacher certification, and/or special training in test administration. Also offered are test support products designed to help your child achieve higher test scores.

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.

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.

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.