'Sadistic ' : Kindergarten teacher Frederick Mena , 25 , is accused of digging his nails into a young student 's skin in class because he wanted to see her cry . A kindergarten teacher from Miami has been charged with aggravated child abuse after police say he dug his nails into a girl 's hand and leg just to see her cry . Frederick Mena , 25 , was arrested earlier this month in connection to the sickening incident that allegedly took place March 5 at Silver Bluff Elementary School in Coconut Grove . According to an arrest report , Mena was teaching math to a kindergarten class when the victim , a young girl , became stymied by the material . In his frustration , according to the Miami Dade School Police , Mena dug his fingernails deeply into the child 's hand and calf , breaking the skin and leaving marks . The reports states that Mena later admitted to the incident in a letter penned to the principal of the school . According to the 25-year-old 's written confession , cited by NBC Miami , he injured his student because ‘ for some reason , ’ he had the urge to see her cry . He reportedly wrote that instead of resisting that violent urge , he decided to 'go with it . ' Mena added that the child in question was too ‘ sensitive , ’ and he thought that inflicting pain on her might ‘ toughen ’ her up . Place of learning : On March 5 , Mena was teaching math to a kindergarten class at Silver Bluff Elementary School in Coconut Grove , Florida , when he became frustrated that one of the students was not grasping the material . But in the end , he admitted that he hurt her to ‘ plainly satisfy an ugly pleasure. ’ Once the deed was done , the 25-year-old educator said he felt no emotion and no regret , reported WSVN . ‘ Knowing myself and who I truly am deep down I ’ m just shocked thinking that I actually did this ! ’ he reportedly stated , according to Miami Herald . When questioned by police , Mena allegedly admitted that he wanted to take advantage of the kindergartner while she was at her lowest , and that he desired to 'punish her ' and 'put her down further . ' The Miami-Dade School District released a statement saying that Mena has been removed from the classroom , terminated and banned from ever working for the district again . Vicious : Mena confessed in a letter that he got the uncontrollable urge to see the child cry and put her down . Mena has been charged with felony aggravated child abuse with great bodily harm . He is being held on $ 10,000 bond . A judge has issued a stay away order to keep the disgraced teacher from the victim . In a social media post from 2014 , Mena was described as a first-year teacher . According to his online presence , Mena has been splitting his time between teaching kindergarten and pursuing a career in hip hop .
Coconut Grove teacher Frederick Mena , 25 , charged with aggravated child abuse . He penned a confession letter saying he became frustrated with the victim in class and wanted to 'punish her ' and 'put her down ' Mena claimed he thought hurting the child would 'toughen ' her up and later felt no regret .