- World Readiness Standards for Learning Languages
- ACTFL Proficiency Guidelines
- Proficiency Benchmarks and Can-Do Statements
(Scroll down to see downloadable PDFs) - 21st Century Skills Map
(Interaction between 21st Century Skills and Language Proficiency) - Learner Characteristics by Age
Curtain, H. A., & Dahlberg, C. A. (2004). Languages and children, making the match: New languages for young learners. Allyn & Bacon.