Can't say had ever heard of this ETUCE before reading the OP.
Here is something of its aims from its site.
www.etuce.homestead.com
The ETUCE
The European Trade Union Committee for Education, which was established in 1975, represents 118 teachers' unions in 28 European Union (EU) and European Free Trade Association (EFTA) countries. ETUCE is composed of national organisations of teachers and other staff in education being member organisations of Education International (EI) or the World Confederation of Teachers (WCT). It has associated member organisations in the Central and Eastern European countries. The total coverage in Europe amounts to 166 organisations.
The aims of the Committee are to:
promote the interests of organisations of teachers and education employees and of education within the European Economic Area through consultations with all relevant EU and EFTA institutions and through other trade union actions;
promote the social dimension of the European Economic Area in association with the European Trade Union Confederation (ETUC);
promote assistance programmes by serving as the liaison between European institutions and the Committee's member organisations with regard to national and European programmes sponsored by EU institutions.
(and ...)
The ETUCE supports the ETUC's programme and policies. In this respect, its aims are to:
fight for human rights and against social exclusion;
contribute actively to the promotion of social dialogue and to the development of basic social rights and of citizenship within the scope of the European social dimension.