Gregory Ramos pleaded guilty on Wednesday to first-degree murder, including tampering with evidence.
Ramos was 15 years old when the crime happened in 2018. He is now 17 years old, People reported.
The crime stemmed from a fight he got into with his mother about his grades.Ramos admitted to strangling his 46-year-old mother, Gail Cleavenger.
He said he called his two friends to help him bury his mother's body and staged a robbery at their house.
During the court proceedings, Ramos' lawyer told the judge that the teen regrets his actions and tries to better himself behind bars.
Matthew Phillips, Ramos' public defender, said the teenager is extremely remorseful and regrets his actions every day. Philips said that Ramos has also been trying to be productive.