The district police on Sunday arrested three persons, including a private school principal and a mathematics teacher, in connection with the leak of answers to students in the Plus-Two public examinations.

It was found that during the Class XII mathematics examination held at a private school at Muthampatti near Vazhapadi on March 17 this year, the students repeatedly used the toilet. When the examination centre supervisor inspected the toilet, he found the answers pasted on the wall. It is alleged that the school teachers had pasted the answers on the wall of the toilet for students to copy. The exam centre officials informed the Chief Educational Officer’s office immediately. The Department of School Education held an investigation and lodged a complaint with the Vazhapadi police.

The police held an inquiry and registered a case under Section 318 (2) of BNS on Sunday. They also and arrested the private school principal J. Stanley (34), a resident of Muthampatti; mathematics teacher B. Kesavan (41), a resident of Ayothiyapattinam; and the school staff A. Dinesh Babu (36), a resident of Panaimadal. The police sources said that after investigations the three will be remanded in prison.