Make theological/biblical study as priority Bible study lessons, even adult sunday school. Only with this, can we follow up on youth/children's sunday school.
Not basing on majority's or one's emotional objection or commendation where they go against the knowledge of God.
Not constantly changing schedules and programs and topics of lessons.
Not allowing multiple rotation of teaching staffs so as to lessen burden of one. Teaching is based on qualification and calling of God, not worldly burden of one's personal life.
Not allowing non-Christians to serve. Not even those who know not what serving means. Servitude is not volunteer. Co-working only with those who are sure to want to co-work, sparing authoritative command to certain smaller tasks.
Not adhering to lying in any form no matter how good the intention is.
The above are what I've observed differently and am certain of what I would do, had I the authority. This is not for the purpose of rivalry, but for clear conscience against walking in the way the ungodly, for not standing in the way of sinners.