As MAP (measures of academic progress) testing is tightly tied to common core standards (the goal of which is to ensure equal educational achievement/outcomes for all students), there may be little interest in developing MAP testing which determines how far above grade level some children may be... other than to find ways in which to bring the performance of those children back to the "standard" level of achievement.

To measure achievement/growth, many families take an annual achievement test.

Might taking the SAT two to three times a year, starting in 5th grade, be somewhat excessive?