OAK GROVE, Mo. -- A woman said she took her complaints about a speeding school bus driver to school administrators, but when nothing was done, she contacted KCTV5.

The mother said she had video proof of the driver reaching speeds she hadn't thought were possible on a bus.

"I was shocked," the woman told KCTV5's Jeanene Kiesling. "I want this to stop happening ... This is ridiculous. Totally unsafe."

Thousands of metro children ride school buses every day as they head to and from school and various activities.

Parents expect the person behind the wheel to use caution, abiding by the law and the rules of the road and, most importantly, putting the safety of their children first.

But, the school parent who contacted KCTV5 started hearing some disturbing stories from her child who rides the bus.

"...Passing tractors and other vehicles. They are racing school buses, racing other students driving to school," she said.

The woman asked that her identity be concealed for fear of retribution from the school for making her complaints public.

She said that at first, she thought the stories were exaggerated. How fast can a school bus really go, she wondered.

"I thought most buses had governors on them that don't allow them to go over a certain speed," she said.

Then her child brought home proof that shocked and infuriated her, she said.

"Ninety," she said. "Ninety miles per hour."

Her child captured cell phone video over a period of several months that allegedly showed the bus driver speeding as she twists and turns through county roads. The speedometer shows the bus speed reach 90 mph and higher.

Her child is among several high school juniors and seniors who ride the Durham school bus from Oak Grove High School to vocational school at Fort Osage every day.

The parent said her complaints for the past several months have been ignored. And she said she's not alone. She said several of the parents have gotten together and contacted the school, but still nothing has been done.

School officials told KCTV5 News they were aware of the complaints and that they had been relayed to Durham School Services, whose responsibility it is to hire and train drivers.

Durham officials said they had spoken to the driver about the complaints.

KCTV5 News monitored the driver's route for several days to see if the driver slowed down. She didn't.

KCTV5 News followed as the bus left Oak Grove about 11:25 a.m. Tuesday. The first stop the driver made was at a Quik Trip a few blocks away, a routine stop for her and one that should not be happening, the parent said. The students need to be in Fort Osage by 11:45 a.m. She believes the extra stop is what leads to the excessive speeding.

By the time the driver reached 24 Highway outside of Buckner, she started speeding to make up for lost time, Kiesling said. The bus quickly surpassed the 65 mph speed limit on that stretch of road. Kiesling drove at 70 mph and still lost the bus from view, she said. Because of traffic, they caught back up to the bus a short time later. Kiesling said the bus zig-zagged through country roads and lost the news crew again.

They caught back up with the bus at the Fort Osage school parking lot.

"Hi. We are with Channel 5. There have been complaints about how fast you have been going with kids on board," said Kiesling to the bus driver.

The driver wouldn't give her name but agreed to speak with Kiesling. She said she wasn't aware of any complaints, despite the fact Durham officials insisted they had talked with her about the concerns.

"Durham said they addressed it with you. They knew which bus I was talking about -- speeding complaints. They said, 'Oh, that's the VoTech bus.' They weren't surprised," said Kiesling.

"I don't know what to say," the driver replied.

And the driver also didn't know what to say when Kiesling told her they had followed her from the school and couldn't keep up with her.

"I watched it, and it didn't get over 70 mph," said the bus driver.

She insisted she wasn't speeding according to her speedometer and she was going to have it checked.

"The speedometer isn't right, if you say I am going that fast," she said.

When asked about the cell phone video showing on several occasions that the driver reached speeds in excess of 90 mph, the driver admitted she may not always pay close attention to the speed.

"You have to watch mirrors and roads. There's a lot to watch out for," she said. She said she couldn't always focus 100 percent on her dashboard.

The driver said she knows she is responsible for the children she drives. She said she always tries to practice safety.

"That upsets me if I'm doing that," she said.

A Durham spokesman contacted Kiesling to say the driver had been fired, not for speeding but for making the unscheduled stop.

Scott Bruegge, of Durham School Services, said the QuikTrip stop was considered unauthorized use of a school bus.

The parent who contacted Kiesling said there was a new bus driver the next day and a warning to students -- cell phones are not permitted to be used on the school bus.