It's going to be hard to believe what you're about to watch. Heck - it's also going to be really, really hard to contain your anger, too.

He's a 16-year-old punk kid, 325lbs, and is 6ft 3in tall. She's a 66-year-old veteran substitute teacher.

Inside this Houston classroom, the teacher took his cellphone as students are not allowed to use their phones in class. Well, the punk took exception with that and started shoving the instructor around. After the third shove, she landed on her back on the ground.

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The student, not named because he is a minor, was arrested following this incident and changed with injury to the elderly.

The school released this statement: "Aldine Independent School District police on Thursday filed a criminal charge of injury to an elderly person against a 16-year-old male student. The charge stems from an incident that occurred Thursday afternoon at Nimitz High School when a substitute teacher confiscated the student's cell phone. The student is accused of physically shoving the substitute teacher to the ground and then retrieving his cell phone. Other students witnessed the incident and immediately reported it to school officials, who then summoned an ambulance and the campus-based police officer. The substitute teacher, who is a retired Aldine teacher, was treated at a local hospital and then released."