Which of the following tools categorizes employees as future, current, and consistent stars?

A) succession plans
B) biographical information blanks
C) career paths
D) 9-box grids
E) ability tests

9-box grids are a commonly used tool in succession planning to categorize employees based on their potential and performance. The grid is divided into three sections: high potential, high performance (future stars), moderate potential, high performance (current stars), and moderate potential, moderate performance (consistent performers). This tool helps identify employees who should be prioritized for development and career advancement opportunities.