On Comenius 3...

Socrates/Comenius: European Co-operation on School Education 

Interesting Comenius 3 Networks

The Learning Teacher Network

 ISTRA: Improving Student's Reading Abilities

SYNEVA.net: Quality Assurance through Synergy of Internal and External Evaluation of Schools

Daf-Netzwerk: European Network for German as a Foreign Language

On multigrade education...

Multigrade schools: a rural solution (UNESCO Education)

The MUSE (MUltigrade School Education) Project

Learning and teaching in multigrade settings: an international research programme (Institute of Education - University of London)

Multigrade Classroom Instructional Resources (NWREL - USA)

Teacher Effectiveness: Multigrade Teaching as a Policy Option (The World Bank)

The Multigrade Programme by IICBA (UNESCO)