БАГШ АЖЛЫН БАЙРАНДАА ХӨГЖИХӨД ХАМТЫН ҮЙЛ АЖИЛЛАГААНЫ ҮР НӨЛӨӨГ НЭМЭГДҮҮЛЭХ АРГА ЗАМ Abstract: Teacher development has been influencedby many factors. However, the most positive impact is the school environment, because it is the firstplace to develop them.