The phrase "and classmates of a" is not complete and lacks context, making it difficult to determine its correctness in written English.
It could be used in a context where you are referring to a group that includes classmates, but it needs to be part of a larger sentence to be fully functional.
Example: "She is a member of the student council and classmates of a diverse group of individuals."
Alternatives: "and peers of a" or "and fellow students of a".
As the arrest was being made, about 300 friends, relatives and classmates of Ms. Gunn, a sophomore at West Side High School, rallied on the steps of City Hall here along with representatives from gay and lesbian groups and local activist organizations.
Her announcement came after a private meeting at Nazareth Regional High School, in East Flatbush, Brooklyn, with the parents and classmates of Nyasia Pryear-Yard, a 17-year-old who was shot in the face and killed at a club on Jan . 18
Friends and classmates of five teenagers killed in a car crash at the weekend have described their "overwhelming" grief.
Yong Zhao describes it as an itch to "change something;" Jiani Yang, another second year at Yale FES and classmate of Sun, calls it a "sense of duty but not quite".
"Everyone says we're a mafia," said Piet Houtenbos (RISD 2001), a friend and classmate of Mr. Weiselberg's beginning in the second grade at Manhattan's Ethical Culture school and continuing through high school at Fieldston and design school in Providence.
One of them, Ibrahim Omar, was a friend and classmate of Ahmed's.
Tazhayakov was a friend and classmate of Dzhokhar Tsarnaev at the University of Massachusetts Dartmouth.
Jay Mack, 13, a friend and classmate of Tyshaun's at Intermediate School 59, agreed.
"How does José Cabranes feel about her nomination?" asked Drew Ryce, a friend and classmate of Judge Sotomayor who was another Cabranes protégé.
This will deprive Britain's current diverse mix of non-white students from the empowering opportunity to see themselves in their history curriculum and deprive their white classmates of a chance for developing respect and cross-cultural understanding.
