The phrase "a headmaster of a" is correct and usable in written English.
It can be used when referring to a specific headmaster in the context of a school or educational institution.
Example: "She was appointed as a headmaster of a prestigious academy known for its academic excellence."
Alternatives: "the headmaster of a" or "an administrator of a".
I was a headmaster of a secondary school in Mosul before I joined the council.
"For me, I was lured into homosexuality by a headmaster of a primary school, who recently died," said Mr. Kagaba, speaking of the recently killed Mr. Kato.
His father, Alexander, a headmaster of a secondary school for girls, and his mother, Auguste (nee Bialloblotzsky), brought him up in the Lutheran faith.
She was working as a headmaster of a school, and she saw me floundering in law -- I was totally miserable.
A headmaster of an Eastern School asked one of his pupils, an English lad over here for the duration, if letters from his family arrived regularly.
By R. B. Ogilby and Russell Maloney The New Yorker, March 1 , 1941P. 7 A headmaster of an Eastern School asked one of his pupils, an English lad over here for the duration, if letters from his family arrived regularly.
Even before the regular season began, the referee Ed Hochuli became a headmaster of sorts in an officiating boot camp during the lockout, circulating five-hour tests on rules among the 121 officials, conducting weekly conference calls to discuss rules and sending around hours of tape every week so that officials would be prepared to step in.
They include the former headmaster of a secondary school, a retired civil servant and a retired business startup adviser.
It was a speech of soundbites that left a lingering impression of a sunny headmaster of a privileged school addressing bright eyed boys and girls before they all went off somewhere nice for the summer.
His father, an Anglican priest, was the headmaster of a school and the first president of the Nigerian Union of Teachers.
In 1952, after marrying and having a son, he was made headmaster of a school in Kettering, where the influence of American schools was apparent in his methods.
