Differences of the Finnish educational system with the systems in the Unites States and Australia. See below the visitors stories and links:Virginia Association of School Superintendents and Sydney Morning Herald.
English- Korean blog with descriptions of CEFR levels. The text otherwise is a personal blog, so I don’t know what is there, as it is in Korean. This link takes you to TOEFL page, in which you should by scrolling down find a table with other tests and comparisons as well. I hope you find it useful.
On this website, created by professor Tella, you will find the materials which he dealt during his lectures. The materials can be found there one month after finishing the study program.