Section 49-1-605 - Annual estimates of school district effects on student progress in grades three through eight (3-8)(a) By July 1 of each year, data from the Tennessee comprehensive assessment program (TCAP) tests, or their future replacements, will be used to provide an estimate of the statistical distribution of school district effects on the educational progress of students for grades three through eight (3-8).(b) By July 1 of each year, data from the TCAP tests, or their future replacements, will be used to provide an estimate of the statistical distribution of school effects on the educational progress of students for grades three through eight (3-8).