Nice search for programs here

http://www.iiepassport.org/advancedsearch.aspx

Summer Chinese programs for high school students (Programs for college students are listed at the bottom)

General Link (not specifically language) for summer programs for high school students: http://www.whatkidscando.org/resources/spec_summer.html

http://clercabroad.org/

This is one more company specializing in chinese courses in China and Taiwan. www.kcseducation.com Chinese language summer camps for teenagers in China and Taiwan as well as mandarin courses for adults and families.http://www.kcseducation.com

http://www.sinolanguage.com/
http://www.goabroad.com/providers/lotus-educational-foundation/programs/learn-chinese-with-homestay-for-high-school-students-15097
http://www.hibicc.com/program_inner.php?catid=110
https://www.indiana.edu/~cclp/main/

http://www.confucius.ucla.edu/languageprograms/chinesebridgesummercamp2011.htm For groups accompanied by a teacher.

http://www.actfl.org/i4a/pages/index.cfm?pageid=4562

http://www.uwc.edu/academics/abroad/china/

http://youthbridgechina.com/summer-school.html

http://www.landon.net/page.cfm?p=1402 Another private school trip open to others; 6 weeks of language and travel.

http://www.uwc.edu/academics/abroad/china/ For incoming juniors and seniors, get 4 college credits.

http://www.isemn.org

http://www.mic-america.com/ New program

http://www.chinayourway.org

http://www.speakchinese.cn/Summercamp.html

http://www.nsliforyouth.org/ Scholarships for study in China

The Middlebury-Monterey Language Academy (MMLA) http://www.mmla.middlebury.edu Vermont and California

Choate Rosemary Hall Summer in China http://www.crhsummerabroad.org/chinatop.htm

Perspectives of China http://www.foundationge.com/ (This used to be called Glimpses of China but has been reborn. Mandarin now takes up half of the class time)

Concordia Language Villages http://www.concordialanguagevillages.org/newsite/Languages/chinese1.php in Minnesota. A semi-immersion 2 or 4-week program.

China Institute http://www.chinasummerstudy.org in Beijing
http://www.chinainstitute.org/education/language-learning/high-school/summer-study-in-china/

http://www.windsormountain.org /student-travel-community -service/community-service -china.html

http://www.chinaprep.com/

Startalk http://www.nflc.org/projects/current_projects/startalk/

Sino Language Gateway (SLG) www.sinolanguage.com in Beijing

www.yfu-usa.org Full year and gap year program

http://www.wheretherebedragons.com/programs.summer.china.php

http://www.rassias.com/programs_in_China/gyalthang/ The Rassias method, in Yunnan.

http://www.caisinstitute.org/en/students/language_programs/summer_intensive

http://www.newperspectivesprogram.org/npc_home.html A program for school groups. Not language focused.

http://www.langubridge.org/bjsumcourse.htm

http://www.virginia.edu/summer/SLI/chinese/program.html

www.csiprograms.org Chinese Studies institute COLLEGE

http://www.uri.edu/iep/chinese/summer University of Rhode Island summer program. Half in RI, half in China. COLLEGE

Great list of programs for college and beyond
http://www.state.gov/p/eap/rls/2011/177633.htm

Here's a search engine for programs to study Chinese, Japanese and Korean, geared towards college students.
http://nealrc.osu.edu/StudyInEastAsia/search.cfm
http://www.uri.edu/chinesesummer/
http://studyabroad.rutgers.edu/
http://www.clercabroad.org/index.php?option=com_content&view=article&id=19&Itemid=34
http://www.allianceglobaled.org/application_and_financial_info/scholarships/ COLLEGE

http://www.bard.edu/academic/ programs/bardinchina COLLEGE

http://www.NextStepChina.org

http://studyabroad.duke.edu/home/Programs/Semester/Duke_in_China_Beijing

www.borenawards.org Grants (not specifically summer) fro grads and undergrads

http://www.sit.edu/studyabroad/