Wayland Patch 9/21/11: More Wayland Students Score ‘Advanced’ or ‘Proficient’ on MCAS. Students in Wayland Public Schools largely improved their performance on the state’s MCAS (Massachusetts Comprehensive Assessment System) tests in 2011, according to data just released by the Massachusetts Department of Elementary and Secondary Education. Overall, 89 percent or 1,331 students who took the English Language Arts (ELA) MCAS test in Wayland schools in 2011 scored in the advanced or proficient range as compared to 87 percent (1,290 students) who did in 2010. The percentage scoring in the advanced or proficient range on the Math test, 80 percent or 1,198 students, did not change from the 2010 number, though the number of students did increase from 1,184.