Here is what is being pushed in Asia. I have to give a Saturday and Sunday class this weekend to Thai teachers using this stuff. A2 to B1 to help prepare them for tests. I have to pay attention so that the students meet the standards. I do not think this is the same as the common core standard in the US though.
Sources for CEFR Preparation Course
1. CEPT DEMO site
https://www.metritests.com/metrica/standard.aspx?test=cept_demo
https://www.metritests.com/metrica/
2. Sample tests
http://www.cambridgeenglish.org/placement
http:// www.englishteststore.net
[1] telc.net - PRACTICE MATERIAL
http://www.telc.net/en/what-telc-offers/english/
[2] Englishtag Level
Tests – CEFR
http://www.englishtag.com/tests/tests.asp
[3] examenglish.com
-Grammar to study at each CEF level
http://www.examenglish.com/CEFR/cefr_grammar.htm
[4] examenglish.com
- CEF Levels
http://www.examenglish.com/CEFR/cefr.php
[5] EnglishProfile
CEFR for English
http://www.englishprofile.org/index.php