(UK) South Bank University  
   School Of Computing Information Systems and Mathematics: SBU Centre for Mathematics Education.
   http://www.scism.sbu.ac.uk/cme/

(UK) University of Wales, Bangor  
   Centre for the Popularisation of Mathematics. Master classes, book, articles, links. Topics include symbolic sculpture, Islamic art, knots.
   http://www.cpm.informatics.bangor.ac.uk/

(UK) Centre for Innovation in Mathematics Teaching  
   The Centre, established in 1986, is a focus for research and curriculum development in mathematics teaching and learning with the unifying aim of enhancing mathematical progress in schools and colleges.
   http://www.ex.ac.uk/cimt/

(UK) METRIC  
   Mathematics Education Technology Research Imperial College. University of London.
   http://metric.ma.ic.ac.uk/

(UK) Manchester Metropolitan University  
   Institute of Education: Centre for Mathematics Education, Didsbury.
   http://s13a.math.aca.mmu.ac.uk/

(UK)University of London Institute of Education  
   Mathematical Sciences Group. Research in the fields of mathematics education, particularly using computers, educational assessment, vocational education and in multilevel modelling of statistical data.
   http://www.ioe.ac.uk/ms/

(USA) Center for Research in Mathematics and Science Education (CRMSE)  
   Established in 1985 within the College of Sciences at SDSU.
   http://www.sci.sdsu.edu/CRMSE/

(UK) University of Southampton  
   Centre for Research in Mathematics Education (CRIME).
   http://www.soton.ac.uk/~crime/

(UK) University of Warwick  
   Mathematics Education Research Centre (MERC), Institute of Education.
   http://www.warwick.ac.uk/wie/merc/

(UK) Oxford University Centre for Mathematics Education Research  
   Department for Educational Studies, University of Oxford.
   http://units.ox.ac.uk/departments/edstud/cmer.html

(Sweden) Umeå University  
   Department of Mathematics, Research Group In Mathematics Education.
   http://abel.math.umu.se/Didactics/MathsEdHome.html

(UK) University of Plymouth  
   Centre for Teaching Mathematics.
   http://www.tech.plym.ac.uk/maths/CTMHOME/CTM.HTML

(UK) University of Nottingham  
   Centre for the Study of Mathematics Education, located in the School of Education.
   http://www.nottingham.ac.uk/csme/

(India) Bhaskaracharya Pratishthana, Pune  
   Educational and research institute in Mathematics, training for International Mathematical Olympiads. Publishes Journal Bona Mathematica, quarterly. Center for Regional Mathematical Olympiads, Maharashtra and Goa.
   http://education.vsnl.com/bp

Discreet Math and Computer Science Center  
   Assistance in educating K-12 and undergraduate students about discreet mathematics. Lists programs and open problems in the field.
   http://dimacs.rutgers.edu:80/Education/

(Canada) Institute of Mathematics and Statistics  
   Undergraduate and post graduate masters and phd courses for math and statistics. A combined venture of Carlton and Ottowa universities.
   http://gsro.carleton.ca/calendars/95-6/SCIENCE/math.html

(UK) Open University  
   Centre for Mathematics Education. People, courses, research projects and themes, publications, meetings, resources.
   http://cme.open.ac.uk/