- St. Petersburg State University (Russia)
- St. Petersburg State University of Aerospace Instrumentation (Russia)
- St. Petersburg State University of Architecture and Civil Engineering (Russia)
- St. Petersburg State University of Civil Aviation (Russia)
- St. Petersburg State University of Culture and Arts (Russia)
- St. Petersburg State University of Culture and Arts (Russia)
- St. Petersburg State University of Economics and Finance (Russia)
- St. Petersburg State University of Engineering and Economics (Russia)
- St. Petersburg State University of Information Technologies, Mechanics and Optics (Russia)
- St. Petersburg State University of Technology and Design (Russia)
- St. Petersburg State University of Telecommunication (Russia)
- St. Petersburg State University of Waterway Communications (Russia)
- Stratford College London (United Kingdom)
- Strathmore University (Kenya)
- St. Stephen's College, University of Delhi (India)
- St Theresa's Medical University (Saint Kitts and Nevis)
- St. Thomas University (Canada)
- St Vincent Medical School (Canada)
- St. Xavier's College (India)
- Suan Dusit Rajabhat University (Thailand)
- Subharti University (India)
- Sudan Academy for Banking & Financial Sciences (Sudan)
- Sudan Academy of Sciences (Sudan)
- Sudan International University (Sudan)
- Sudan University for Science and Technology (Sudan)
- Suez Canal University (Egypt)
- Suez University (Egypt)
- Sugino Fashion College (Japan)
- Sugiyama Jogakuen University (Japan)
- Sukhothai Thammathirat Open University (Thailand)
- Sulaimani Polytechnic University (Iraq)
- Suleyman Demirel University (Turkey)
- Suleyman Demirel University (Kazakhstan)
- Sultan Abdul Halim Muadzam Shah Polytechnic (Malaysia)
- Sultanah Bahiyah Polytechnic (Malaysia)
- Sultan Ahmad Shah Islamic College (Malaysia)
- Sultan Azlan Shah Polytechnic (Malaysia)
- Sultan Haji Ahmad Shah Polytechnic (Malaysia)
- Sultan Idris Shah Polytechnic (Malaysia)
- Sultan Ismail Petra International Islamic College (Malaysia)
- Sultan Kudarat State University (Philippines)
- Sultan Mizan Zainal Abidin Polytechnic (Malaysia)
- Sultan Qaboos University (Oman)
- Sultan Salahuddin Abdul Aziz Shah Polytechnic (Malaysia)
- Sumgait State University (Azerbaijan)
- Sumy National Agrarian University (Ukraine)
- Sumy State University (Ukraine)
- Sunchon National University (Korea, South)
- Sungkyul University (Korea, South)
- Sung Kyun Kwan University (Korea, South)