In preparation for a Staff Development Day (and something I'd been meaning to do for a while) I've cobbled together a brief table of great people and hashtags to follow on Twitter by curriculum area for people getting started in Twitter. It is by no means definitive as it needs to be brief. Additional recommendations much appreciated. It is quite NSW-centric but not exclusively so.
Twitter People and Hashtags by Subject
The various acronyms are based on how curriculum areas are denoted in NSW.
As well as the responses from my PLN, several hashtags were obtained from the far more comprehensive post in Edudemic. Of course there are many, many other great people to follow out there plus several great education, non-curriculum hashtags such as #edchat, #edtech, #slide2learn and #ceolearn.