The court heard that she had sex with the boy in a Paraparaumu motel when he was 12, performed other sex acts, kissed him and shared intimate photos and text messages during three years of offending, starting in 2011.
The boy told the jury he willingly had sex with her and said that she told him that she became pregnant to him, but later had an abortion.
A fellow teacher’s complaint to police after finding an inappropriate text message from Reriti on the boy’s phone led to her arrest.
Reriti told the trial the boy was a liar, labelling his claims “disgusting”.
Woolford sentenced her to 10 years and six months imprisonment, saying Reriti had breached the victim’s trust and groomed him for sex, as well as causing great harm to the victim, his family and the school commun