Well, no, at the minimum he talked to all 25 students.[^1]
Additionally, why would 1, 3, or 25 matter?
The behavior Chris described requires attending the school and visiting it often enough to view multiple cohorts.
[^1] When I went into the classroom at the appointed hour, the 25 students were all there ready to interview me.
[^2] Man, I wish I went there if it means you could talk like this all the time. The older I get, the more suffocated I am by the damp blanket of adult communication. At 20 I would have said it was immoral and boring to withhold engaging deeply, at 35 I need a damn good reason to bother engaging rather than smiling and nodding.
Additionally, why would 1, 3, or 25 matter?
The behavior Chris described requires attending the school and visiting it often enough to view multiple cohorts.
[^1] When I went into the classroom at the appointed hour, the 25 students were all there ready to interview me.
[^2] Man, I wish I went there if it means you could talk like this all the time. The older I get, the more suffocated I am by the damp blanket of adult communication. At 20 I would have said it was immoral and boring to withhold engaging deeply, at 35 I need a damn good reason to bother engaging rather than smiling and nodding.