Most Common Standardized Achievement Tests These are the five
most commonly used achievement tests. Each has a total composite
score and subscores. It is recommended that you use the same
achievement test each time you test in order to be able to
compare the scores. Iowa Test of Basic Skills (ITBS) This is a
top-rated nationally standardized achievement test designed to
evaluate thinking skills. This test takes less time to
administer than the Stanford and permits a wider grade range of
students to be tested at the same time. This test is considered
to be among the most difficult tests. Grades 3-8 may be tested
together; grades 9-12 may be tested together. Qualifications for
test administration: a 4-year baccalaureate degree in any field.
Directions for administration are supplied at no additional
cost. Tests are supplied and returned to suppliers for scoring.
Tests are given orally through grade 2. Stanford Achievement
Test (SAT) Not to be confused with the Scholastic Aptitude Test
(also SAT). A top-rated na