Daily demonstrations have been taking place outside Anderton Park Primary School in Birmingham but Friday's was the largest - and angriest - so far.
Flyers had been sent around the local community encouraging people to join protests against the school "brainwashing" children that "it's okay to be gay".
One man told Sky News he had joined the crowd because "homosexuality is a heinous, horrible thing". Another said homosexuality is "not acceptable for us lot".
But the protesters held banners that read "we are not homophobic people". They chanted for the headteacher to quit.
The demonstrations are organised by Shakeel Afsar, who does not have children at the school. [Sky News] Read more