The peculiarities of individual-specific influence of teacher's personality upon the schoolchildren are shown. As a result of teacher's beforehand translation to the schoolchildren of un-mastered yet by them types of activity in situation of his/her image actualization in their onsciousness facilitating aspect transpires. It is interpreted as a manifestation of the beginning of persona] changes in teacher's influence objects. The experiment shows that situation influence's subject serves simultaneously as a source of changes' tendencies accumulated in pupil's personality structure and transformated on actual plane in experiment.