"kindly teacher" is correct and can be used in written English.
For example, "My experiences with my fifth grade teacher was incredibly positive because she was a kindly teacher who truly cared about her students."
(3) The kindly teacher of the central character, Christopher Boone.
She struggled with her English, but was rescued by a kindly teacher, Mrs Epsen.
The scene where Colin Welland's kindly teacher coaxes him to talk about the kestrel is still transcendentally powerful.
As the writer left the show, he noticed a display case that some kindly teacher had set up in an attempt to inspire youths to continue their education.
One of his most celebrated plays was the 1971 comedy The School of Troublemakers, which depicted a rowdy school class transformed by the efforts of a kindly teacher.
There is a telling scene near the start of Never Let Me Go in which a kindly teacher blows the whistle.
He finds gleaming floors, kindly teachers, children playing clarinets and a life-size photograph of Matisse painting in his Paris studio.
His time there had been slurred over by distance until it seemed blessed, four years steadily knit with hearty friendships and kindly teachers and good-natured pranks.
Azazel Jacobs's film runs a grave risk of falling into the Fitzgerald habit: the urge, not uncommon in kindly teachers, to concentrate so hard on the constant flow of misfits in your care that you all but neglect the fits — the boys and girls who manage, more or less, to make it through the week.
In the manner of a kindly head teacher, the judge asks Diane what outcome she's hoping for.
At the very end, a kindly looking teacher asked whether either author could recommend African or Chinese fiction for middle-school students.
