The most common and most likely answer to this crossword clue is the 10 letter word BLACKBOARD
I've seen this crossword clue in The Daily Telegraph
B
L
A
C
K
B
O
A
R
D
More clues leading to the result BLACKBOARD
- Support management introducing large teaching aid
- Bar committee needs something to write on
- Old focus of a student’s attention, daughter’s after filthy swine
- Bigwigs initially need directors to supply teaching aid
- Support management acquiring large classroom item
- Support governors adopting lecturer’s teaching aid
- Note deficiency, get governors to provide school equipment
- Miss Bishop’s going ahead with governors to show old classroom feature
Buddy explains!

The straight part
We know that "school equipment" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case school equipment = blackboard.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BLACKBOARD mean?
BLACKBOARD noun- A large flat surface, finished with black slate or a similar material, that can be written upon with chalk and subsequently erased; a chalkboard.
- To use a blackboard to assist in an informal discussion.