Self Assessment Tools The ISL Leadership Self-Assessment for Teachers: provides a process for teachers to reflect on their classroom leadership practices;directs the development of a leadership development plan; andprovides ongoing access to the leadership development plan for updating, downloading, and printing.The self-assessments are secure and confidential. New Self Assessment Leadership Self-Assessment for Head Teachers, Principals, Deputies and Vice-Principals: New Self Assessment Resume a previously saved Self Assessment: View Saved Self-Assessments