They arranged for an adult to escort King’s daughter and her older brother to the bus daily from now on.

King said he was told he would not be allowed on school property anymore without a police escort, but school officials said that’s incorrect: “The resource officer told Mr. King that if he didn’t calm down and refrain from using profanity, that’s something that could happen,” said Roach. “The principal has no desire to pursue that action.”

The tongue-lashing was sparked by a frantic call from King’s fourth-grade son alerting him that the girl wasn’t on the bus.

“He called us screaming that his sister wasn’t on the bus and they wouldn’t wait for her or let him off to find her,” said King.

Earlier incidents had happened at the beginning of the school year and again shortly after winter break.

“We didn’t make a big deal about it the first time,” King said. “School had just started and everyone was getting used to the routine.”

But when King and his wife received word in January from school officials that their daughter didn’t make it onto the bus, they weren’t as forgiving.

“I got the call around 3:15 and was told we had to get her by 4,” said King.

Both parents work in Buford and with traffic, there was no way to make it down Interstate 85 in less than an hour. They enlisted the aid of a relative who got the girl before the deadline. “We were told there was a teacher party and nobody would be there,” said King.

That prompted the Kings to work with school officials to set up a procedure to ensure both children made it on the bus every day. The son was to come to the sister’s class and escort her to the bus. And to make sure they knew right away if anything was amiss, they bought their son a cellphone.

The plan was followed for a few weeks, said King, but then everything went back to the way it had been.

Despite the principal’s letter, King said the issue isn’t resolved.

“I haven’t spoken to anyone,” he said. “I’m worried that this is an epidemic that has been swept under the rug.” After the video went viral, King said parents from all over the country have contacted him saying they’ve had similar experiences.

Gwinnett County Schools transports over 130,000 children by bus daily and strives to get everyone to their final destinations without incident, said Roach.

“Sometimes these things happen,” she said.”We try to avoid that and fix the problems as quickly and efficiently as we can.”