Learn English – What’s another word for an ‘outlet’ in a creative sense

If you just use the word time it should pretty much cover what you are looking for.

There is no single word for widespread or organized cheating; if there were, I think it would have appeared in the press by now.

collusion does carry the proper connotation:

secret or illegal cooperation or conspiracy, especially in order to cheat or deceive others; an often secret action taken by two or more parties to achieve an illegal or improper purpose. -AHDEL

Likewise conspiracy (a secret plan by a group to do something unlawful or harmful) can work.

Cheating scandals are not rare enough;

• The 2009 CRCT statistics are overwhelming and allow for no conclusion other than widespread cheating in APS. The BRC expert, Dr. John Fremer, wrote an op-ed article for the AJC in which he said there was widespread, organized cheating in APS. -WSJ
• Governor's Report Details Widespread, Organized Cheating In Atlanta Schools -NPR
• Organized, systematic cheating is the inevitable result of attaching high stakes to standardized tests, and it will continue as long as we're invested in the illusion that the system is working. - Huff Post
• The probe involves about 125 students over cheating on a take-home exam for the course, called Introduction to Congress. Harvard officials called it the biggest such probe in living memory. - Bloomberg.com