Synonyms for Blackboard:

n.

crib, exercise book, eraser, all-nighter, essay, blue book, classwork, dictation. artifact (noun)
chalkboard.
blackboard (noun)
chalkboard.
chalkboard (noun)
greenboard.
slate (noun)
wall-slate, board, greenboard.

Other synonyms:

exercise book, classwork, essay, dictation, blue book. eraser, all-nighter. crib. Other relevant words:
all-nighter, wall-slate, greenboard, board.

Usage examples for blackboard

  1. Next to the canteen, there was a small table, a blackboard some chalk and some benches. – Free from School by Rahul Alvares
  2. In the larger room there was a little furniture- a chair and cheap desk for the teacher, some rude forms for the children, and a small blackboard but the other room was absolutely bare, and the children sat around on the floor in a circle, with their legs sticking out in front of them, red with cold, while the teacher stood in their midst to hear them recite. – The Charm of Ireland by Burton Egbert Stevenson
  3. He looked at the blackboard then, searchingly, at John Briggs. – The Boys' Life of Mark Twain by Albert Bigelow Paine