These assessments compare a student’s score with a similar group of students who have taken a comparable assessment.


CTB/McGraw-Hill: TerraNova® (CAT/6 and CTBS/5) and Tests of Adult Basic Education (TABE®)

  • TerraNova (CAT/6 and CTBS/5) is a standardized achievement test used in the United States that compares students' scores to scores from a "norm group." The norm group for TerraNova is a national sample of students representing all gender, racial, economic, and geographic groups.
  • Tests of Adult Basic Education (TABE) is the premier basic skills test for adult learners. TABE is closely aligned with both national standards and the latest GED Test, including a focus on reading and literature. TABE provides comprehensive, reliable information to ensure that adult students will be successful in today's society. The tests support the same philosophies found in the best adult education programs, featuring test items that focus on adult life skills, are correlated to predict success on the GED Test, and demonstrate progress toward literacy, education and job-related goals. Read more about TABE and Lexile measures.

ERB: Comprehensive Testing Program, 4th Edition (CTP 4) is a rigorously designed series of assessments in reading, writing, and mathematics developed to help educators collect critical educational data that answers the questions of administrators, teachers, and parents about achievement. CTP 4 is not one test, but a set consisting of a series of multiple-choice and open-ended question tests administered to groups of students over the course of several days, either in the spring or the fall. CTP 4 has 10 levels; a different level is used with each grade from 1 through 11.


Pearson: Stanford 9 , Stanford 10 , MAT 8 , and Aprenda 3

  • The Stanford 9 is a Norm Referenced Test (NRT) which compares each student's performance on the test to the performance of a representative sample of public school students of the same age and grade. The Stanford 9 tells how your students compare to a national sample taking the test.
  • The Stanford 10 is the latest version in the Stanford Achievement Test Series. The test is administered untimed. Areas of assessment include reading, mathematics, language, spelling, listening, science, and social studies.
  • The MAT 8 is an open-ended assessment. Originally normed with the Stanford Achievement Test Series, Ninth Edition, the MAT 8 questions are also normed with the Metropolitan Achievement Tests, Eighth Edition, in order to offer performance-based assessment to all of its customers.
  • Aprenda 3 is a Spanish-language test of academic standards. It is a norm-referenced test in Spanish that has multiple choice questions and is used to measure achievement in Reading and Math for students in bilingual classes in grades K - 12.


Riverside Publishing: The Iowa Tests of Basic Skills® (ITBS® and ITED® ) and Gates-MacGinitie Reading Tests®, Fourth Edition

  • ITBS : The ITBS consists of 13 different tests that are administered to students in grades 3-8. The tests include: vocabulary, reading comprehension, capitalization, punctuation, spelling, language usage and expression, mathematics concepts and estimation, social studies, maps and diagrams, science, and reference materials.
  • ITED: The ITED consists of 7 different tests that are administered to students in grades 9-12. These tests include science, social studies, vocabulary, literary materials, expression, sources of information, and quantitative thinking.
  • The Gates MacGinitie Tests (GMRT®) assesses each students reading level at both the beginning and the end of the school year. Similar to the Star Reading Test, a grade equivalency score is determined on site. The main use of the Gates MacGinitie is to determine reading growth of each student after one year of instruction.