If you are a teacher in a situation as described below, a situation where the methods of evaluation (exams) allow cheating and consequently there is a lot of cheating of various levels and types:
If you are in this situation which strongly encourages lying, and rewards clever lying - and hence is evil, then...
What should you actually do?
The most obvious responses are
1. to go along with things and join in the usual excuses.
This is obviously the major means by which moderns are corrupted - people are made complicit with corruption, and given the title of hypocrite unless they adjust their ideals to fit what they actually do.
So corrupt people simple deny that what they do, what they are coerced to do, is corruption.
Or 2. The 'obvious' alternative is to fight every step of the way through the system - to pick up the most inept examples of cheating and try and impose exemplary punishments as a deterrent (recognising that you will be fought every inch of the way).
But in reality the second is on the one hand futile - a diversion of potentially productive effort into Quixotic behaviour, and on the other hand a false reassurance which in fact has the opposite effect.
However, the situation of dishonesty within bureaucracies, institutions, organisations, corporations etc. is simply another instance of the basic, fallen human condition; in which we cannot stop from sinning.
We cannot stop sinning, but what we must do is:
1. Acknowledge and Repent our sins, ask Forgiveness.
2. Do not defend sins: acknowledge the situation, do not excuse the situation, do not promote the sinful situation.
If you are being coerced, the acknowledge to yourself and others that you are being coerced and (without exaggerating) the scope and nature of that coercion - so that it is clear to yourself and others what was your 'price'.
When asked why we do this, why we go-along-with that - we ought to reply, we believe it is wrong because we are being forced to do such, or bribed to do such.
But we should not ever defend the wrong that we have been forced or bribed to do.
And we should do no more than we have to do.
Aside from Saints, we all have a price, and it may be a low one - but being bullied or bought-off need not threaten salvation if it is honestly acknowledged, repented - if we state our weakness and ask forgiveness for our weakness.
But that is a very different matter from the usual business of serving evil, excusing evil, covering-up for evil, pretending that we like evil and that it really is Good...