This is the education portal on Quandl. Education data on Quandl comes from a variety of reliable and credible sources, including the UN.
All data on Quandl is guaranteed to be the freshest possible version of that data, brought to you directly from the original publisher of that data, with link-backs for validation and transparency.
Quandl is a collaborative effort. If there's a dataset or indicator that you would like added to Quandl's education portal, please let me know.