"The boys, some as young as 4, wore Army-style uniforms, the girls long dresses." This shows the acculturation they experienced.
"The band performed at presidential inaugurations, and in the early 1900s the football team became a national powerhouse..." The school became successful in sports and with its band, although that seemed to be one of the only positive effects the school had on the students.
"Carlisle's legacy, scholars say, is at best conflicted, creating opportunities for some students, but causing confusion and even deaths among others, its role as a prototype helping to spread misery." The school created some good effects for some students, but also misery and terrible conditions for most.
"Punishment, abuse, and illness were frequent. So was death." All in all, the school had terrible conditions, as well as terrible effects on its students.