Deposits / Extra Money taken from students as safety, so that if they damage anything deductions can be done for damages, such sum is called caution money. Auditor should ensure that it is not treated as income and it is refunded only after adjusting damages , penalties if any.
Education institutions may get money or allocate money for specific purpose, which is called as fund. Separate statement of fund explaining additions and utilisation for each fund should be made. It is called fund based accounting, it is good for supervision and decision making by governing body.