(Photo: YouTube/NBC Screen Capture)Ohio mom, Precious Allen, a friend, Dawn Brunner (shown above) and Allen's teenage daughter (not identified) arrested after attacking a 15 year old girl in a Cincinnati classroom.

A mom has been charged in a class brawl after she burst into a high school classroom and helped her teenage daughter beat up another student.

The incident took place at Withrow High School in Cincinnati last week, and according to police, even involved the mother holding down a girl and urging her daughter to hit her in the face with a combination lock.

Reports describe mom, Precious Allen, her daughter and another woman suddenly bursting into a classroom at Withrow High School, with the mom and daughter duo then proceeding to assault another 15-year-old student, police spokeswoman Sgt. Julian Johnson said Tuesday.

The assaulted teenage girl suffered numerous cuts and bruises, and a teacher attempting to bring the attack to a halt even suffered a black eye.

The 31 year old mother has since been charged with felonious assault and aggravated criminal trespass, according to court records.

The mom's daughter, a 14 year old, has not been named publicly as she is a juvenile, but she has also been arrested on charges of felonious assault, assault and criminal trespass.

The third woman who visited the classroom with the pair, Dawn Brunner, 28, of Covington, Ky., was charged with criminal trespass, according to court records.

The attack reportedly took place at about 2 p.m. local time last Thursday when the mom, daughter and third woman, entered the school through the main entrance. It is believed that they were let in through security doors as a student let them in after seeing them knocking on the door.

The three ignored notices for all visitors to be checked in at the front office and proceeded to the classroom where the assault took place.

Police spokeswoman Sgt. Julian Johnson said, "Initially the mother got into a verbal altercation with the 15 year old, and then the mother told her daughter to hit the girl."

However, when the two teens started fighting the mom got involved and allegedly started punching the 15 year old and held her down while Allen's daughter struck her in the face with a combination lock, according to Johnson.

A teacher who tried to stop the attack was also hit in the face by the daughter.

Here is a video report on the attack: