public void removeStudent(long id) throws InstanceNotFoundException {
		Student s = null;
		try {
			s = students.get((int) id);
		} catch (IndexOutOfBoundsException e) {
			throw new InstanceNotFoundException(id, "Student");
		}
		s.getHouseHold().getMentored().remove(s);
		students.remove(s);
		Persistence.getInstance().save();

	}