Best Public Schools in Zip Code 47648

ZIP code 47648 serves Fort Branch, Indiana, and is home to two public schools in the South Gibson School Corporation: Gibson Southern High School, a grades 9–12 high school with 742 students, and Fort Branch Community School, a grades K–8 school with 577 students. Combined enrollment is 1,319 students. There is no standalone middle school and no alternative school, but the K–8 school covers the middle grades. The district ranks 39th of 374 in Indiana — the 90th percentile — with 4 stars, and both schools belong to it.

Gibson Southern High School is the standout. It ranked 39th of 415 Indiana high schools in 2025–2026, the 91st percentile with 5 stars, up from 86th percentile and 4 stars the year before. Its graduation rate is 95.9% against 89.7% statewide, and chronic absenteeism is 5.4% — less than one-third of the state's 16.7%. SAT Evidence-based Reading and Writing proficiency is 70.56% versus 51.9% statewide, and SAT Math is 45% versus 25.6%, a jump of 13.48 points from 31.52% the prior year.

Fort Branch Community School ranked 226th of 1,015 elementary schools, the 78th percentile with 4 stars. Chronic absenteeism is 7.9% — higher than the high school's 5.4% but still well below the state. All-grade ILEARN proficiency is 54.45% in ELA, 56.28% in math, and 53.54% in science, and every reported grade-level score beats the state average, including 8th grade math at 55.84% versus 34.2%. Against its own district, though, math is uneven: the all-grade figure of 56.28% trails the district's 59.73%, with grades 5–8 lagging most in 7th grade math (51.32% versus 61.96%). The school also has a higher free/reduced lunch rate (32.76% versus 23.72%), higher per-student spending ($10,803 versus $9,806), and a lower student-teacher ratio (16.8 versus 18.3).