The National Association of Schoolmasters (NAS) was a trade union representing male schoolteachers in the United Kingdom.
This major change in salary policy had been achieved whilst many male teachers were away serving in the army during the First World War.
[5] It aimed to recruit every schoolmaster into the NAS, to safeguard and promote the interests of male teachers, to ensure recognition of the social and economic responsibilities of male teachers, and to ensure the representation of schoolmasters on matters concerned with education with both the local education authorities (LEAs) and government.
[5] As the secondary education sector expanded, the NAS built its organisation among male secondary teachers, it adopted the methods of collective bargaining and militant industrial action in pursuing a narrow range of pay and conditions issues related to the interests of full-time male 'career teachers'.
In 1976, the NAS merged with the UWT and the Scottish Schoolmasters' Association, largely as a consequence of the Sex Discrimination Act 1975, which made it unlawful to exclude from membership on grounds of gender.