List of everyone from the classrooms 1213, 1214, 1215, 1216, 1249, 1255, and 1256 that I know of. Add more in the comments if I missed anyone who's public

Room 1213:
Ronit Reoven (Teacher, Survived)
Stephany De Oliveria (Survived)
Danielle Gilbert (Survived)
Amanda Lee (Survived)
Samantha Mayor (Injured)
Logan Mitchell (Survived)
Ivanna Paitan (Survived)
Carmen Schentrup (Died)
Elizabeth Stout (Survived)
Benjamin Wikander (Injured)
Madeleine Wilford (Injured)
Morgan Williams (Survived)
Jesus (Survived, last name unknown)

Room 1214:
Ivy Schamis (Teacher, Survived)
Rebecca Bogart (Survived)
Hannah Carbocci (Survived)
Isabel Chequer (Injured)
Nicholas Dworet (Died)
Alaylah Eastmond (Survived)
Sidney Fischer (Survived)
Samantha Fuentes (Injured)
Samantha Grady (Injured)
Kaitlyn Jesionowski (Survived)
Jessica Luckman (Survived)
Daniela Menescal (Injured
Kelly Plaur (Survived)
Helena Ramsay (Died)
Matthew Satar (Survived)
Delaney Tarr (Survived)
Matthew Walker (Survived)
Daniel Zaphany (Survived)

Room 1215:
Julietta Matlock (Teacher, Survived)
Julian Barrioneuvo (Survived)
Sophia Delia (Survived)
Martin Duque-Anguiano (Originally Survived, but Died later on)
Luke Hoyer (Died)
Ana Claire Martins (Survived)
Gina Montalto (Originally Survived, but Died later on)

Room 1216:
Dara Hass (Teacher, Survived)
Alyssa Alhadeff (Died)
Victoria Alvarez (Survived)
Justin Colton (Injured)
Alexander Dworet (Injured)
Farraj (Survived, first name unknown)
Brooke Harrison (Survived)
Eden Hebron (Survived)
Kheshava Managapuram (Injured)
Christopher McKenna (Survived)
William Olsen (Injured)
Alaina Petty (Died)
Alexander Schachter (Died)
Genesis Valentin (Injured)

Room 1249:
Ernest Rospierski (Teacher, Injured)
Jaime Guttenberg (Died)
Marian Kabachenko (Injured)
Kyle Laman (Injured)
Cara Loughran (Died)
Peter Wang (Died)
Tyler West (Survived)

Room 1255:
Stacey Lippel (Teacher, Injured)
Anna Crean (Survived)
Joaquin Oliver-Padauy (Died)
Meadow Pollack (Died)
Jesse Vandereems (Survived)
David Zafrani (Survived)

Room 1256:
Scott Beigel (Teacher, Died)
Kelsey Friend (Survived)
Veronica Steel (Survived)

Also does anyone know what classroom Anthony Borges was originally in? I know it's not Rospierski's.