The girls were killed Thursday in a four-car, chain-reaction crash on Highway 380 just west of Denton.
Residents of a close-knit North Texas community are mourning the deaths of two teenage girls.
Friends say the girls were inseparable.
"They were crazy and fun, and they just loved life," Tiana Inman said.
Tiana Inman said their deaths will be mourned for weeks.
Children in Alvord grow up together from kindergarten through high school, Caitlyn Hodges said.
"You come from a community where everybody knows everybody," she said. "You grow up together from kindergarten, so of course it's going to hit everybody hard -- they're family to us."
Counselors were at the high school Friday. Some students were so overcome with grief that they were allowed to leave classes early.
"When something like this happens, it affects everybody in the town, and even people that didn't really know them are going to grieve over them because that's how close-knit everybody is," Inman said.
The Alvord Independent School District said students are planning a memorial service in the near future.
Rogers' and Mancil's families are finalizing plans for their funerals.