Hutong School

At Gulou, inside the second ring road. Also has a Dashanzi (art district) location. They say:
The Hutong School was founded in April 2005 in response to the growing demand of Western students, graduates and young professionals for internships and Chinese language courses in Beijing. We are committed to creating new opportunities for young talented students [...]

Languages Plus

Located in a park alongside the Forbidden City. They say:
We teach Manadrin Chinese language courses within the Imperial Gardens in the Wen Hua Gong – the cultural palace of Beijing, surrounded by the silence of the forbidden city. Tiananmen Square, the world’s largest public plaza, and the connected metro station is only a short walk [...]

Institute of Chinese Studies

Based in Chaoyang inside the third ring road. They say:
Today increasing numbers of students list China among their top areas of geographical interest. Meanwhile faculty list and students want to understand more about China and its society. The Institute of Chinese Studies (ICS) was founded in 2007 by Jan van der Putten (PhD) in [...]

CET Academic Programs

Near the Beijing Zoo in Xicheng. They say:

The goals of CET’s Beijing Chinese Language program are twofold: rapid improvement of language skills and a solid understanding of contemporary Chinese society. Weekly themes integrate the intensive curriculum–a lecture class might introduce the “Chinese family”; family planning policies are debated during drill class; students interview a Chinese [...]

Global Exchange

A bit north of Wudaokou up in Shangdi. Also arranges university placements (though we’d recommend going direct for that). They say:
Our Chinese language programsare designed to immerse participants in Mandarin through class instruction, individual tutoring, and a unique language exchange with native Mandarin speakers through our partner program. Our group programs (especially short term sessions) [...]

Ambassdor Mandarin

Single location on the east third ring. They say:
Ambassador Mandarin delivers effective, affordable and high quality Chinese language courses to professionals, business people and diplomats. We are located in Beijing CBD area.
In addition to general Spoken Chinese Courses, General Business Chinese, our Industrial Chinese Courses span the fields of international relations, business, finance, media, social [...]

Cross Border Mandarin

Lidu and Guomao Schools. They say:
Cross Border Mandarin has over ten years of professional Chinese language training to students from all over the world. We developed a network in Hong Kong, Paris, and Beijing where we have two training centers. In Beijing, specifically for company employees, business people and embassy staff, we provide language [...]

Chinese Language Education

Jianwai Soho, Yansha and Shunyi locations.
CLE Chinese Language Immersion programs are open to all people wishing to study Chinese in China, and provide a practical, real-life approach to learning the Chinese Language. With multiple programs available, CLE offers the flexibility to choose the right program to reach your Chinese Language goals.

iMandarin

At Jianguomen in Chaoyang. They say:
iMandarin offers a comprehensive and flexile selection of Mandarin lanuages programs in china. Over 15 types of Chinese courses at 8 different levels accommodate the diverse goats of our students.

Mandarin House

At Dawang Lu. They say:
Mandarin House Beijing Chinese School is located in the city center. We provide high quality Chinese courses and a professional friendly learning environment. At Mandarin House Beijing Chinese school, we organize accommodations for our international students and we arrange many culture activities and excursions to ensure that our students [...]