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one year
Forever if they feel that there is something to keep. Otherwise banks keep Video surveillance for 10 years.
As the owner of the business they can do whatever they wish with the surveillance tapes - just so long as they are not used for commercial advertising, in which case they would have to get 'releases' from those whose identifiable faces appeared on the tapes.
up to 1month
90 days on a DVR
As long as the surveillance tapes are not taping the children undressing or in showers and only to help to keep the children safe then a parent should be grateful for this handy item to keep their children safe from molestation or worse. It does not seem to be the building that is being protected, but the children.
Keep them standing inside a box near to humidity absorbers.
Analyze, monitor, keep track of
There is no federal law dictating how long a US bank must keep video surveillance footage. However, banks are subject to state laws and regulations which may stipulate specific retention periods for video surveillance footage. Banks typically retain footage for a certain period to comply with legal requirements and for security purposes.
depends on what is to be tested again and the method of preservation employed
Until they need to get rid of it. Which is also why you shouldn't do anything dumb so you don't have to worry about anything.
Certainly, as long as students know they are there.