Critical Language Scholarship

The Critical Language Scholarship (CLS) Program provides immersive summer programs for U.S. undergraduate and graduate students to learn languages of strategic importance to the United States’ national security and economic prosperity. Through intensive language instruction and structured cultural activities, participants receive the equivalent of one year of language study in just eight weeks.

Languages and Levels

The CLS Program overseas offers instruction in nine critical languages:

No Previous Study Required

  • Hindi
  • Persian
  • Portuguese
  • Swahili

One Year of Study Required

  • Arabic
  • Chinese
  • Korean
  • Russian
Hope Chokshi stands in front of a landscape with hot air balloons in the background in in Turkey
Hope Chokshi in Cappadocia, Turkey.

Two Years of Study Required

  • Japanese

Application Information

  • Application Deadline: November 18, 2025
  • Eligibility: Undergraduate and graduate students
  • Nomination Required: No
  • ONSF Contact: Michael Cunningham