In terms of script access to the network, you're stuck at the mercy of reading system support for the foreseeable future. (matt.garrish.ca)
That usage is a little more complex, as at its root is reading systems supporting content types not officially part of the specification. (matt.garrish.ca)
At the conclusion of the federal grant, Smarter Balanced will transition to being an operational assessment system supported by its member states. (educationnext.org)