He taught at various elementary schools crosswise over Hampshire before turning into an instructor in wellbeing, social consideration and instruction at the Basingstoke College of Technology, in Worting Road.
Dennis, wearing a dim, round neck jumper and green chinos, showed up at Southampton Crown Court through feature interface and is situated to face a four-day trial in September.
He talked just to affirm his name amid the five moment hearing.
Judge Nicholas Rowland remanded Dennis, of Eastleigh, in care and let him know he will next show up under the watchful eye of court in June for a request and case administration hearing.
Dennis confronts charges including the assaults of a kid under 13 and of a kid under 16, rape by infiltration and six include of drawing in a kid sexual action.
He likewise confronts various charges of making disgusting pictures of youngsters and having profane photographs of a tyke.
The greater part of the schools have been educated of his capture and reached by police.
Darren Campbell, headteacher at Bishop’s Waltham Junior School, said in an announcement: “The welfare of the students at the schools is our total need.
“In the event that I, or any of my group, are informed of any concerns, they are examined completely as per Children’s Services Safeguarding Guidelines.”