Factual error: During the competition scenes between the Clovers and Toros, you can see a basket-toss stunt being thrown in the background: the girl is doing a full twisting flip... in a high school competition, this stunt is very illegal, and both teams would be disqualified for trying it.
Factual error: When the cheerleaders were developing a new routine three weeks before states, which earlier in the movie was said to be on February 10, they talk about "using every waking minute" to practice, including at football games. At that time, high school football season would have been long over, especially for a team as bad as the Toros, which has no chance of competing in the post-season.
Factual error: When Torrance and Missy are driving to see the Clovers, they appear to be driving on the freeway which means they would have to be driving pretty fast. However, the locks are up the entire time, and any Beetle owner should know that the car automatically locks the doors at 10 MPH.
Factual error: In the finals of the Nationals the top three teams are The Clovers, The Toros and the New Pope Cheerleaders. Although in a real national Championship, the New Pope girls would be in a small high school division, while the Toros and Clovers would be in a large co-ed division.
Factual error: When Torrance and Missy are getting onto the 15 north to go to Compton they would have gotten onto the 5 north from Oceanside. The 15 is at least 20 miles east of Oceanside whereas the 5 goes right through Oceanside.
Factual error: When Missy and Torrance are in the car and Torrance begins to flashback about the Spirit Stick, there is a huge sign in the background to show that they are at a UCA camp, but the Spirit Stick is a Spirit Stick from an NCA camp. Not a big deal to some, but all cheerleaders know that UCA Spirit Sticks are blue and white with rubber tips and NCA's are just red, blue, and white wooden sticks.
Answer: We always lacked coaches for sports at school and just did our own practices, maybe this film reflects that aspect also?