Training opportunities abound in the field of communications, writing, editing, public relations, design and information management. Some are online and accessible to all. Others range from short courses to formal University degrees. Here is a quick list I did for a colleague interested in developing skills in these areas.
Links to courses mostly in the UK, listed by the Society for Editors and Proofreaders:
Another UK based society of publishers, and their courses:
A range of casual media courses in the UK:
The University of the Arts London runs a range of courses, from writing to typography:
Study writing, journalism, publishing management and more online, including free courses:
Writing and publishing studies in Canada:
Masters in Publication Management at Drexel U. in Philadelphia:
NYU is well known for its graduate degree in publishing:
NYU also does PR and corporate communications:
Yale now does a short publishing course following the closure of the Stanford course in 2010:
And here are a few courses dedicated to Communications for Development.
Masters in International Communications and Development at City University London:
Ohio University Online Training program in Communication and Development:
The College of Development Communication at the University of the Philippines Los Banos offers a wide range of courses from community radio and journalism to science communications:
Feel free to recommend other relevant courses in the comments below.