Here are some great tips direct from a teacher. http://www.studygs.net/tsttak1.htm
The Naglieri is a test given to all kindergarten students to determine their academic ability and can be used to place the child in the gifted program. http://www.thinktonight.com/NNAT_s/25.htm?gclid=CPqh2f22q50CFQhV2godiHBVrQ
This will describe the Iowa Test of Basic Skills (ITBS), which is given to all 3rd, 5th, and 8th graders in October. http://www.education.uiowa.edu/itp/itbs/
The Cognitive Abilities Test (CogAt) is a test given to all 3rd, 5th, and 8th grade students, which tests their cognitive abilities and is given in October. http://www.riverpub.com/products/cogAt/details.html#admin
The Criterion Referenced Competency Test (CRCT) is given to students in all grades at the end of the school year, generally April or May, to determine their academic ability http://www.doe.k12.ga.us/ci_testing.aspx?PageReq=CI_TESTING_CRCT
The Muscogee Accountability Plan (MAP) is a series of tests, which prepare the students to take the CRCT. It is administered either 3 or 4 times per year http://www.mcsdga.net/inside/academics/map/map.htm