 The ethnic composition of students in the 2004-2005 school year was 20 White (50%), 18 Hispanic (45%), and 2 African American (5%).Of the 40 students, 33 (82.5%) were considered economically disadvantaged.Rochester ISD's performance on the Texas Assessment of Academic Skills (TAAS), a state standardized test used from 1991 to 2003, was generally above state standards.