A woman who was out celebrating her birthday with her boyfriend was subjected to the racist incident in Torrance.
Matthew Clawson, of the Lewis-Palmer School District 38, issued a lengthy apology after removing the "inappropriate and offensive" photo.
Philip Manshaus, 22, opened fire at a mosque in Oslo on August 10, having earlier shot dead his step-sister who was of Chinese origin, police say.
"This doesn't happen in a vacuum. They're learning this behavior from someone else," Lemon said.
"Disgraceful that @nyjets owner will pay fines for players who kneel for National Anthem. Encouraging a movement premised on lies vs. police. Would he support all player protests? Would he pay fines of players giving Nazi salutes or spew racism? It's time to say goodbye to Jets!"
Breivik raised his right arm to make the flat-handed Nazi-style salute as he entered court in a converted gym.
A recent ruling in Oslo is yet another strike against a form of punishment that reeks of medievalism.
The 21-year-old cheerleader is seen giving a Nazi salute.