Original sentence: As is the case with most elite institutions of higher education, actual costs as measured on a per-student basis far exceed revenue from tuition and fees, and so Swarthmore's endowment serves to offset ever-rising costs of education, subsidizing every student's education at Swarthmore--even those paying full tuition.The college is located in the borough of Swarthmore, Pennsylvania, 11 miles (17.7 km) southwest of Philadelphia
Edited sentence: As is the case with most elite institutions of higher education, actual costs as measured on a per-student basis far exceed revenue from tuition and fees, and so Swarthmore's endowment serves to offset ever-rising costs of education, subsidizing every student's education at Swarthmore—even those paying full tuition.The college is located in the borough of Swarthmore, Pennsylvania, 11 miles (17.7 km) southwest of Philadelphia