The attendance rate represents the average daily attendance rate of students in grades 1—12, including special education students. Summer school attendance is excluded. The proficient standard is 94 percent and the advanced standard is 96 percent. The high school graduation rate represents the percentage of students who graduate from high school with a regular diploma, but does not include students who successfully complete the GED tests or students with disabilities who receive Maryland High School Certificates. Student Achievement Rates. The student achievement rates represent the percentage of students who achieve at the basic, proficient, and advanced performance levels on the: Maryland School Assessments in reading and in mathematics; Maryland High School Assessment in algebra/data analysis and in English; and Science assessments to be developed before the beginning of the 2007—08 school year. The State Board shall establish the basic, proficient, and advanced student performance levels for reading and for mathematics for: Grades 3, 5, 8, and 10 by September 1, 2003; and Grades 4, 6, and 7 by September 1, 2004. The State Board shall establish the graduation rate standards by September 1, 2003. By September 1, 2003, the State Board shall establish AYP for schools, school systems, and the State for: Reading; Mathematics; and Graduation. The State Board shall establish the basic, proficient, and advanced student performance levels for science by September 1, 2008. The State Board shall review and revise as appropriate AYP by September 1, 2008.