I've also been looking around... I'm sure I'm missing a few, but this is what I've found.

Columbia http://www.arch.columbia.edu/school/section/programs/introduction-architecture-0

Harvard http://www.gsd.harvard.edu/#/academic-programs/career-discovery/

UC Berkeley http://www.ced.berkeley.edu/college/academics/summer-institutes/arch

UCLA http://www.summer.ucla.edu/institutes/Architecture/overview.htm

Oregon http://architecture.uoregon.edu/summeracademy -- Not sure if this is geared more towards architecture or environmental design

LAIAD http://www.laiad.com

If you're interested in going abroad, this program in Copenhagen looks interesting: http://www.dis.dk/study-abroad-summer/courses/

Below is a list of ALL summer architecture programs that I compile each year and post to http://www.archcareers.org -- If I am missing one, let me know via Dr. Architecture.

2011 Design Science Lab - Chestnut Hill College - Philadelphia, PA
http://www.designsciencelab.com
June 17–25, 2012 (1 week)

AIA Memphis/University of Memphis - Memphis, TN
http://www.aiamemphis.org/Site_3/K-12_Education.html
http://architecture.memphis.edu/
June 2012 (2 weeks)

Architectural Foundation of San Francisco – San Francisco, CA
http://www.afsf.org/program_summer.htm
Contact School for Dates
 
Auburn University - Auburn, AL
http://www.auburn.edu/outreach/opce/summerexperience/architecture.htm
June 17 – 22; July 15 - 20, 2012 (1 week)

Ball State University - Muncie, IN
http://cms.bsu.edu/Academics/CollegesandDepartments/CAP/Academics/SummerWorkshop.aspx
June 17 – 29, 2012 (2 weeks)

Boston Architectural College - Boston, MA
http://www.the-bac.edu/summer
July 2 – 27, 2012 (4 weeks)

California at Berkeley, University of - Berkeley, CA
http://arch.ced.berkeley.edu/programs/summer
July 2 - August 10, 2012 (8 weeks)

California at Los Angeles, University of - Los Angeles, CA
http://www.summer.ucla.edu/institutes/Architecture/overview.htm
June 20 – July 29, 2012 (6 weeks)

California College of The Arts - San Francisco, CA
http://www.cca.edu/academics/precollege
June 25 – July 20, 2012 (4 weeks)

California Poly State Univ. – SLO - San Luis Obispo, CA
http://www.arch.calpoly.edu/programs/summer-career.html
June 24 - July 19, 2012 (4 weeks)

Carnegie Mellon University - Pittsburgh, PA
http://www.cmu.edu/enrollment/pre-college/index.html
June 30 - August 10, 2012 (6 weeks)

Catholic University of America – Washington, DC
http://architecture.cua.edu/summerprograms/experiences.cfm
July 9 - July 27, 2012 (3 weeks)

Center for Architecture - New York, NY
http://www.cfafoundation.org/summer
Contact Program for dates (2 weeks)
 
City College of New York – New York, NY
http://www1.ccny.cuny.edu/prospective/ace/summer_overview.cfm
June 28 - July 27, 2012 (5 weeks)

Clemson University - Clemson, SC
http://www.clemson.edu/summer/summer-science
June 17 – 30, 2012; July 15 – 28, 2012 (2 weeks)

Columbia University - New York, NY
http://www.arch.columbia.edu/school/section/programs/introduction-architecture-0
July 5 – August 3, 2012 (5 weeks)

Cornell University - Ithaca, NY
http://www.sce.cornell.edu/sc/programs/index.php?v=arch&s=Overview
June 23 – August 4, 2012 (6 weeks)

Cranbrook Summer Art Institute – Bloomfield Hills, MI
http://www.cranbrookart.edu/Pages/SummerInstitute.html
June 25 -- July 13; July 16 – August 3; August 6 – 24, 2012 (3 weeks)

Drexel University - Philadelphia, PA
http://www.drexel.edu/westphal/academics/undergraduate/architecture/summer_programs.asp
July 8 – 21, 2011 (2 weeks)

Florida, University of - Gainesville, FL
http://soa.dcp.ufl.edu/dcpsoa/design-exploration-program
June 17 – July 6, 2012 (3 weeks)

Georgia Institute of Technology - Atlanta, GA
https://www.ceismc.gatech.edu/
Contact School for Dates (2 weeks)

Harvard University - Cambridge, MA
http://www.gsd.harvard.edu/professional/career_discovery/
June 4 – July 13, 2012 (6 weeks)

Houston, University of - Houston, TX
http://www.wonderworkshouston.org/Summer2012/index.html
June 11 – July 13, 2012 (5 weeks)

Idaho, University of - Moscow, ID
http://www.caa.uidaho.edu/arch/Programs/uisddp.swf
Contact School for Dates

Illinois Institute of Technology – Chicago, IL
http://www.iit.edu/arch/programs/summer_program.shtml
July 9 – 20 (Commuter) and July 22 – August 4 (Residential), 2012 (2 weeks)

Illinois at Chicago, University of - Chicago, IL
http://www.arch.uic.edu/yarch/index.php
Contact School for dates

Illinois at Urbana Champaign, University of - Champaign, IL
http://www.arch.uiuc.edu/programs/discoverarch/
June 17 – June 30; July 8 – 21, 2012 (2 weeks)

Iowa State University – Ames, IA
http://www.design.iastate.edu/DesignCondensed/index.php
Contact School for dates

Judson University - Elgin, IL
http://arch.judsonu.edu/architecture-discovery-workshop/
July 8 – 13, 2012 (1 week)

Lawrence Technological University
http://www.ltu.edu/community_k12/summer_camps.asp
July 9 – 13, 16 – 27, 2012

Los Angeles Institute of Architecture and Design
http://www.laiad.com/

Louisiana State University - Baton Rouge, LA
http://www.outreach.lsu.edu/Pre-College/
Contact School for Dates

Maryland, University of - College Park, MD
http://www.arch.umd.edu/architecture/academics/discovering_architecture.cfm
July 8 – 27, 2012 (3 weeks)

Massachusetts Amherst, University of – Amherst, MA
http://www.umass.edu/architecture/summer.htm
July 9 – 27, 2012 (3 weeks)

Miami University - Oxford, OH
http://www.summerartsinstitute.org/teen_camps/
July 9 – 20, 2012 (2 weeks)

Miami, University of - Miami, FL
http://arc.miami.edu/programs/high-school-summer
June 11 - 29, 2012 (3 weeks, half-day non-residential)
July 8 – 28, 2012 (3 weeks, full-time in-residence)

Michigan, University of - Ann Arbor, MI
http://taubmancollege.umich.edu/architecture/programs/highschool/arcstart/
Contact School for Dates

Mississippi State University - Oxford, MS
http://www.sarc.msstate.edu/caad_web/sarc/designdiscovery.php
June 8 – 15, 2012

National Building Museum - Washington, DC
http://www.nbm.org/families-kids/summer-camp.html
July 9 – 20; July 23 – August 3; August 6 – 17, 2012

Nebraska-Lincoln, University of - Lincoln, NE
http://architecture.unl.edu/programs/arch/hs_workshop.shtml
June 10 - June 16, 2011 (1 week)

New Jersey Institute of Technology - Newark, NJ
http://design.njit.edu/academics/summer/summer-arch.php
July 11 – 12 (overnigh); July 15 – 20 (Design #1); July 22 – 27, 2012 (Design #2)

Newschool of Architecture - San Diego, CA
http://www.newschoolarch.edu/summerexploratory.htm
July 16 – August 9, 2012

New York Institute of Technology - Old Westbury, NY
http://www.summeroncampus.com/main/ProgramDetail.asp?ID=451
Contact School for Dates

North Carolina at Charlotte, University of - Charlotte, NC
http://www.soa.uncc.edu/
June 10 - June 15, 2012 (1 week)

North Carolina State University - Raliegh, NC
http://www.cam.ncsu.edu/programs-educational-designcamp.php
June 24 – 30 (overnight); July 15 – 20 (day); July 22 – 28, 2012 (overnight) (1 week)

Notre Dame, University of - South Bend, IN
http://architecture.nd.edu/programs/career_discovery.aspx
June 17 – 29, 2012 (2 weeks)

Oklahoma, University of – Norman, OK
http://youth.ou.edu/summer_academies.html
Contact School for Dates

Oklahoma State University – Stillwater, OK
http://discover.arch.okstate.edu/
June 13 – 16, 2012 (1 week)

Oregon, University of - Eugene, OR
http://architecture.uoregon.edu/programs/summeracademy
July 9 – August 6, 2012 (5 weeks)

Parsons The New School For Design – New York, NY
http://www.newschool.edu/parsons/pre-college-academy/
July 30 – August 10, 2012

Pennsylvania State University - State College, PA
http://www.outreach.psu.edu/youth/architecture/index.html
July 15 – 19 or July 22 – 26, 2012 (1 week)

Pennsylvania, University of – Philadelphia, PA
http://www.jkcp.com/artsatpenn/
July 1 – 28, 2012 (4 weeks)

Pratt Institute - Brooklyn, NY
http://www.pratt.edu/academics/continuing_education_and_professional/pro_credit_programs/precollege/summer_programs/
July 9 – August 3, 2012 (4 weeks)

Rensselaer Polytechnic Institute - Troy, NY
http://summer.rpi.edu/update.do?artcenterkey=20
July 8 – 20, 2012; July 22 - August 3, 2012 (2 weeks)

Rice University – Houston, TX
http://arch.rice.edu/launch.aspx
Contact School for Dates

Roger Williams University - Bristol, RI
http://departments.rwu.edu/saahp/Programs/SummerAcademy/index.shtml
Contact School for Dates

Savannah College of Arts & Design - Savannah, GA
http://www.scad.edu/savannah/summerprograms/rising_star/index.cfm
June 23 – July 28, 2012 (5 weeks)

School of the Art Institute of Chicago - Chicago, IL
http://www.saic.edu/ecp
June 27 - July 15; July 18 - 29, 2011 (2 or 3 weeks)

Southern California Institute of ARCitecture – Los Angeles, CA
http://www.sciarc.edu/portal/programs/making_meaning/index.html
July 16 – August 17, 2012

Southern California, University of - Los Angeles, CA
http://arch.usc.edu/Programs/SummerPrograms/ExplorationofArchitecture
July 8 – 22; July 8 – August 4, 2012 (2 or 4 weeks)

Syracuse University - Syracuse, NY
http://www.summercollege.syr.edu/
July 1 – August 10, 2012 (6 weeks)

Texas A&M University - College Station, TX
http://camparch.tamu.edu/
July 8 – 13, 2012 (1 week)

Texas at Austin, University of - Austin, TX
http://soa.utexas.edu/summeracademy/
June 11 – July 13, 2012 (5 weeks)

Tennessee, University of - Knoxville, TN
http://www.arch.utk.edu/Special_Programs/designcamp.shtml
July 9 – 13, 2012 (1 week)

Tulane University - New Orleans, LA
http://architecture.tulane.edu/programs/summer-high-school-program
June 25 – July 13, 2012 (3 weeks)

Virginia Polytechnic Institute & State University - Blacksburg, VA
http://www.archdesign.vt.edu/students/inside-architecture
Contact School for Dates

Washington University - St. Louis, MO
http://www.arch.wustl.edu/summer-programs/architecture-discovery
July 8 – July 21, 2012 (2 weeks) High School Students
http://www.arch.wustl.edu/summer/explore-architecture
June 3-16, 2012 (2 weeks) College Students and Graduates

Weisman Art Museum - Minneapolis, MN
http://weisman.umn.edu/learning#community-families
Contact museum for dates

Wisconsin-Milwaukee, Univ. of - Milwaukee, WI
http://www4.uwm.edu/sarup/admissions/outreach/summercamp/summercamp.cfm
August 5 – 11, 2012

Yale University – New Haven, CT
http://www.explo.org/senior/courses
Contact website for dates

Wow!!! Thank you both!

Hi,

I am a 2nd year B.Arch student from india and i am looking around for good architecture summer schools and workshops. Can somebody suggest me the options i have? Also courses possibly in june and july would be the best. 

Thanks.

You forgot to mention for Los Angeles, the free school of architecture.

www.freeschoolofarchitecture.o...