The victim said Ullmer, now 63, demanded naked massages and shared a bed with him when he taught at Cecil Jones High School in Southend, Essex.
One former pupil said: “It’s disgusting he thinks he can write a book advising others on teaching and then for major companies to sell it online.
He said: “The police naturally investigated and found no case to answer and I have consistently denied the allegations.
Headmaster banned from teaching for life publishes memoir after 'allegations' A headmaster who is banned from teaching for life has published a memoir offering tips on leadership and education.
Contacted by us, publisher Austin Macauley said it had suspended publication with immediate effect.