CNN's Laura Smith-Spark, Frederik Pleitgen, Salma Abdelaziz, John Sinnott, Caroline Faraj and Schams Elwazer contributed to this report.
Sinnott was replaced as manager by Dean Glover, who later appointed former Macclesfield boss Ian Brightwell as his assistant.
Mr Sinnott said he had been the principal author of the strike motion.
BBC: NEWS | UK | Education | Teachers back pay strike ballot
Steve Sinnott, general secretary of the National Union of Teachers said he was pleased parents were being urged to accept their responsibilities.
Sinnott guided the West Yorkshire side from the Unibond into the Blue Square Premier before his move to Port Vale.
Harsley, 29, is out of contract and is one of four players to be offered new deals by manager Lee Sinnott.
Distraught NUT colleagues described Mr Sinnott as "the most compassionate of men".
Steve Sinnott, general secretary of the National Union of Teachers, welcomed the increase in bursaries and golden hellos but said further changes were needed.
BBC: NEWS | UK | Education | Bigger golden hellos for teachers
"I am not used to asking for permission every time I have to do something, " says Robert Sinnott, who is heading Bechtel's effort to repair the port.
Teachers' and heads' unions welcomed the announcement - with the National Union of Teachers' general secretary, Steve Sinnott, saying such personalised tuition will bring "enormous benefits to young people who need extra help".
BBC: NEWS | UK | Education | Struggling pupils get extra help
Budgets will be significantly reduced next season as Vale prepare for life in League Two, meaning Sinnott will turn to a number of the club's youth players to join up with the first-team squad.
The 4-1 defeat of the Valiants was enough to end Lee Sinnott's reign as Vale manager, and despite the relative lack of competitive football between the two clubs, added further strength to the chain that links them together.
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