To demonstrate the effectiveness of the school counseling program in measurable terms, school counselors analyze school and school counseling program data to determine how students are different as a result of the school counseling program. School counselors use data to show the impact of the school counseling program on student achievement, attendance and behavior and analyze school counseling program assessments to guide future action and improve future results for all students. The performance of the school counselor is evaluated on basic standards of practice expected of school counselors implementing a comprehensive school counseling program.