General Reference (good starting point to look for research)
TESOL Academic

21st Century Skills

Innovative Teaching and Learning (ITL) research: A global look at pedagogies for 21st century skills
Preparing Teachers and Developing School Leaders for the 21st Century LESSONS FROM AROUND THE WORLD (OECD)
Learning for a World of Constant Change : Homo Sapiens, Homo Faber & Homo Ludens revisited
Rethink Learning: the 21st Century Learner
What would Socrates Say?
The Thinking Classroom: Thinking Skills
The Glossary of Education Reform: 21st Century Skills
Thoughtful Learning: What are 21st Century Skills?
The 4 Cs of 21st Century Learning for ELLS: Critical Thinking, Communication, Collaboration, Creativity
Using Old Tech (Not Edtech) to Teach Thinking Skills

Digital Storytelling
Digital Storytelling Tools for Educators by Silvia Rosenthal Tolisano
Digital Storytelling for Young Learners (wiki from the TESOL EVO 2012 session)

Educational Technology
The Amazing Web 2.0 Projects Book (ed. by Terry Freedman (projects, applications, the benefits and challenges of using Web 2.0 tools in class)
Zero to Eight: Children's Media Use in America (commonsense media survey report)
The Effective Use of Computers with Young Children (Douglas H. Clements)
NMC Horizon Report 2011 K-12 Edition (Emerging Trends in Technology)

Elementary English Education in Japan
Eigo Noto 1 (English Note 1) (Lessons plans and English translation of lesson plans from the publisher website)
Eigo Noto 2 (English Note 2) (Lessons plans and English translation of lesson plans from the publisher website)
Cultivating Japanese with English Ability (English translation of action plan from Ministry of Education, from 2003)
English Activities in Elementary School (report based on observations)
Motivation for learning EFL at Japanese Elementary Schools (2006 JALT Journal article by Junko Matsuzaki Carreira)
English-teaching in Elementary Schools in Japan (from Asian EFL Journal, 2008. Nice overview of the history of EFL in Japan)
Team Teaching Activities (by Shinobu Minowa and Conrad Hunt of Kakizaki JHS)
Englipedia (collection of articles about English education in Japan and games for all grade levels, many bilingual)
Sendai JET resource website (large collection of activity ideas and teaching tips for elementary school classes)
Niigata JET website (resources, and links to many other JET websites in Japan)

How Children Learn
English Language Learners and Learning Disabilities
How Global Language Learning Gives Students the Edge (Foreign language learning boosts brain development. From Edutopia)
Real Voices of Japanese Students (Tim Murphey's university students made a short video reflecting on their own English education experiences)
CAST--Teaching Every Student (great information about Universal Design for Learning--site is designed for special education, but useful for EFL, too)
Moving from Pedagogy to Andragogy (Adapted and Updated from Hiemstra, R., & Sisco, B. (1990). Individualizing instruction. San Francisco: Jossey-Bass.)
Roots of Bilingualism in Newborns (from Psychological Science Journal--speaking to unborn infants in two languages predisposes them toward bilingualism)
Whole Brain Teaching (This used to be called Power Teaching)
Don't Teach to Learning Styles and Multiple Intelligences (Pennington Publishing Blog)
Learning Styles Resources (excellent links to readings from North Carolina Network for Excellence in Education)
Visual, Auditory, and Kinesthetic Learning Styles (VAK) (A nice explanation of learning styles and how to incorporate them in class)
VAK Learning Styles Test (includes nice descriptors for each learning channel)
Do Visual, Auditory, and Kinesthetic Learners Need Visual, Auditory, and Kinesthetic Instruction? (Daniel Willingham in American Educator)
Movement and Learning: Movement across the curriculum (from Earlychildhood News)
Child Language Development Chart (English as a first language)
The Risks of Rewards (Alfie Kohn)
Songs as an Aid for Language Acquisition (research by Daniele Schon, Maud Boyer, Sylvain Moreno, Mireille Besson, Isabelle Peretz and Regine Kolinsky)

Interactive Whiteboards
Stories--Interactive Sites for Smartboard Use (hosted on the Oak Street Elementary School website)
Teach Digital: curriculum by Wes Fryer (wiki with teaching ideas for IWBs)
The Whiteboard Blog (what it sounds like--a blog with ideas for using IWBs in the classroom)

Mobile Learning
Mobile Learning #1 The Big Picture
What is Mobile Learning?
Twenty Ideas for Using Mobile Phones in the Language Classroom
Please turn on your mobile phones
Mobile Learning Environments (by David Gagnon)
Apps for language learning

Montessori Method

Personal (or Professional) Learning Networks
Connecting Teachers (Wiki describing PLNs and how to create one)
Tweet Yourself to a New Circle (nice article in Times Higher Education about using Twitter to create a PLN)

Special Needs
Autism Classroom (lots of resources for teaching autistic children, and any child, for that matter)
Autism Education Trust (great tips for teachers)
Educating Children with Autism in an Inclusive Classroom (great lesson plans for teaching students - and teachers - about Autism)

Teacher Education/Qualifications
WATESOL NNEST Caucus (Excellent collection of articles about the native vs. non-native teacher debate)
Why do English Teachers Have to be Native Speakers? (article from Japan Times)
Top of the Clas (3 videos from an Australian show--SBS Insight--on the topic of "What makes a great teacher?")

Teaching Listening and Speaking
Jigsaw Listening (Sean Banville explains how to use Audacity to create your own communicative listening activities)

Teaching techniques/Classroom Management
Head of the Class (a collection of videos taken by Doug Lemov documenting effective teaching techniques. From New York Times Magazine)
How to Connect Your Foreign Language Students with the World (how to find online global connections for your students. From Edutopia)
Read Write Think (teaching strategies, lesson plans and activities for all grades. Designed for US teachers, but much is useful for EFL as well)
Using the first language in second language instruction (archive of a discussion on TESL-EJ)
The role of the first language in foreign language learning (2003 article by Paul Nation in Asian EFL Journal)
Wait Time: Slowing Down May be Speeding Up (Mary Budd Rowe)

Teaching Reading and Writing
Scaffolding vs. Rescuing (from Choice Literacy. Aimed at US literacy education, but useful for EFL reading, too)
Reading Reform Foundation (I especially like the description of synthetic phonics and how to evaluate materials)
The Writing Strategy Organizer
Writing to Read: Evidence for how writing can improve reading (report from the Alliance for Excellent Education)
The Authentic Reading Experience Part 1: Building Reading Comprehension and Fluency (Paul Nation and Lynn Bonesteel)
Vocabulary (Sebastian Wren, part of "Developing Research-Based Resources for the Balanced Reading Teacher")
First- and Second- Language Acquisition in Early Childhood (Beverly A, Clark)
Diagnosing reading in a second or foreign language (results from a study about how reading ability develops)

Using Technology with Young Language Learners
ELL and Technology (SouthEast Initiatives Regional Technology in Education Consortium News Wire, Vol. 7, Number 1, 2005)
A small collection of studies of iPad use in education

Young Learner English as a Second/Foreign Language
The European Commission (Great resource for EU multilingualism policy--including young learners)
The Main pedagogical principles underlying the teaching of languages to very young learners (2007 Report from the European Commission)
Worldwide Survey of Primary ELT (2004 survey commissioned by British Council. Doesn't include Japan)
Key Data on Teaching Languages at School in Europe (from Eurydice Key Data series)
Common European Framework of Reference for Languages: Learning, Teaching, Assessment (CEFR) (from Council of Europe, Education)
Data about English Language Learners in US public elementary schools (from US Dept. of Education)
Teaching Literacy in English to K-5 English Learners (from Doing What Works, US Dept. of Education)
Focus on Effectiveness (Focus on US ESL instruction, but good research-based teaching strategies)
Multilingual Children: Beyond Myths and Toward Best Practices (report from Society for Research in Child Development)
British Council Survey of Policy and Practice in Primary English Language Teaching Worldwide (Sheila Rixon)