harrisburg high school achieved 39.7 out of 100. reflects on grade level reading, mathematics and science achievement. in reading/literature - 20% were on grade level. in algebra 1, 18.6% showed on grade level skills at the end of the course. in biology, 11% showed on grade level science understanding at the end of the course. fifty-three percent of schools statewide received lower spp scores compared with last year's, while 46 percent improved. a handful were unchanged.