Though Maverick finds Mr. Wyatt’s insistence on punctuality and honesty annoying, he recognizes that he doesn’t have much choice here. If he’s going to make Dre proud, help Ma, and support Seven, he has to put up with Mr. Wyatt. The fact that Maverick lies about being at school, though, shows that he understands what Mr. Wyatt wants to hear. He understands, in other words, what responsibility and maturity look like, and he wants to look like he’s pursuing that path.