At least three people were arrested when a brawl broke out Tuesday between pro- and anti-LGBTQ+ protesters outside a school board meeting in Southern California where members were deciding whether to recognize June as Pride Month.

Several rowdy demonstrators threw punches just as the Glendale Unified School District in Los Angeles County was due to hold an official vote on the matter.

Almost 500 people gathered in the school headquarters’ parking lot, where those for and against the district resolution began to tussle over the global recognition and celebration of the LGBTQ+ community.

Some protesters even dressed in T-shirts that read, “Leave our kids alone” and chanted the names of the five school board members.

About 50 police officers were deployed to the scene, CBS News reported.

Police said most of the protest was peaceful, but that “a small group of individuals engaged in behavior deemed unsafe” and that “additional attempts to deescalate the crowd failed,” the LA Times reported.

An unlawful assembly was declared as police called in reinforcements and ordered the crowd to disperse.

The three people who were arrested face charges including obstructing officers and unlawful use of pepper spray.

For the fifth year in a row, the board later approved a resolution designating June as LGBTQ+ Pride Month.

The measure also encouraged all schools in the nation’s second-largest district to incorporate lessons on the LGBTQ+ community into the curriculum and affirmed a “commitment to creating a safe, welcoming, and inclusive learning environment for all LGBTQ+ students, families, and staff members.”

In an earlier statement, the district said “intentional and harmful disinformation has been circulating about what is being taught” and said it follows state law and education policies.

Yet some parents argued that the teachings are detrimental to students.

“Bringing in curriculum for K-6 on gender ideology, that is what we’re against,” one parent told KTLA 5.

Another protester told the outlet that the board meeting was about the school curriculum, saying, “We were talking about children. They are not ready for such choices. It confuses them and ultimately these are things that parents should decide.”

Most of the people who addressed the board discussed broader issues of how sex and gender are handled under district policy.

Supporters argued that LGBTQ+ kids need to feel safe and included in class while opponents claimed schools are usurping parental authority and pushing unnecessary and even harmful views about gender.

Schools Superintendent Vivian Ekchian said the district follows the state curriculum, adding that erroneous information has been spread on social media.

“We have absolutely no agenda. We are not in the business of converting anyone’s child,” she said, according to ABC 7.

Tuesday’s mayhem erupted hours after hundreds of protesters descended on the building — some waving American flags and others waving Pride banners, the LA Times reported.

One attendee who said she had a child graduating from a district school Wednesday called the anti-LGBTQ+ protests “heartbreaking.”

“This is a great community, my son has received a great education here,” Megan, who declined to share her last name for fear of retaliation, told the newspaper.

Belissa Cohen, who identified herself as an LGBTQ+ activist, said she was “on the side of parents who want to keep the focus in schools on academics rather than on sexual orientation,” according to the LA Times.

The conservative group GUSD Parents Voices urged parents to attend the meeting, posting: “Join the fight against indoctrination in our schools.”

Meanwhile, LGBTQ+ advocacy group glendaleOUT also called on supporters to take part.

“Tuesday, June 6 is an action of love and gratitude to our GUSD educators and administrators for all the work they’ve done this year on behalf of our entire Glendale community,” glendaleOUT said on social media.

“We really just want to keep the peace and keep it simple and keep the queer community safe and let them know that they’re loved,” member Grey James said, the LA Times reported.

US Rep. Adam Schiff (D-Calif.), whose district includes Glendale, reacted to the unrest by tweeting: “These continued acts of violence and hate towards our LGBTQ community – especially towards students, parents, and teachers – are horrific.

“All of our children deserve to both feel safe and be safe regardless of who they love or how they identify. We will not go back. We will not apologize for celebrating the strength and the diversity of our LGBTQ community,” he added.