| S.No. | Short Form | Full Form | Country | Popularity |
| 1 |
NASA |
National Association of Students of Architecture |
India |
|
| 2 |
AIU |
Association of Indian Universities |
India |
|
| 3 |
SSC |
School Site Council |
Worldwide |
|
| 4 |
NCERT |
National Council of Educational Research |
India |
|
| 5 |
FACTS |
Families Acting for Community Traffic Safety |
United States |
|
| 6 |
ICMP |
International Congress on Mathematical Physics |
Worldwide |
|
| 7 |
APS |
American Physical Society |
United States |
|
| 8 |
CAO |
Central Applications Office |
Ireland |
|
| 9 |
ODI |
Overseas Development Institute |
United Kingdom |
|
| 10 |
NBS |
Nehru Bal Sangh |
India |
|
| 11 |
IAO |
International Accreditation Organization |
Worldwide |
|
| 12 |
IMA |
Institute of Mathematics and its Applications |
United Kingdom |
|
| 13 |
TIME |
Top Industrial Managers for Europe |
Worldwide |
|
| 14 |
IRA |
International Reading Association |
Worldwide |
|
| 15 |
DLF |
Digital Library Federation |
United States |
|
| 16 |
PTO |
Parent-Teacher Organization |
Worldwide |
|
| 17 |
WEF |
World Education Fellowship |
Worldwide |
|
| 18 |
BEST |
Board of European Students of Technology |
Worldwide |
|
| 19 |
ASCA |
American School Counselor Association |
United States |
|
| 20 |
SSSP |
Student Support Services Program |
United States |
|
| 21 |
NCO |
National Cyber Olympiad |
Worldwide |
|
| 22 |
RTS |
Royal Television Society |
United Kingdom |
|
| 23 |
MOUSE |
Making Opportunities for Upgrading Schools and Education |
United States |
|
| 24 |
IDEA |
International Debate Education Association |
Worldwide |
|
| 25 |
AERO |
Alternative Education Resource Organization |
Worldwide |
|
| 26 |
APO |
Alpha Phi Omega |
United States |
|
| 27 |
CSF |
California Scholarship Federation |
United States |
|
| 28 |
EGU |
European Geosciences Union |
Worldwide |
|
| 29 |
NSS |
National Service Scheme |
India |
|
| 30 |
GK |
Global Kids |
United States |
|
| 31 |
MSEB |
Mathematical Sciences Education Board |
United States |
|
| 32 |
GTU |
Graduate Theological Union |
United States |
|
| 33 |
IIE |
Institute of International Education |
United States |
|
| 34 |
GSEB |
German School of the East Bay |
United States |
|
| 35 |
KVS |
Kendriya Vidyalaya Sangathan |
India |
|
| 36 |
IYF |
International Youth Foundation |
Worldwide |
|
| 37 |
IAU |
International Association of Universities |
Worldwide |
|
| 38 |
EIL |
Experiment in International Living |
Worldwide |
|
| 39 |
ICFAI |
Institute of Chartered Financial Analysts of India |
India |
|
| 40 |
ADS |
American Dialect Society |
United States |
|
| 41 |
ECE |
Educational Credential Evaluators |
United States |
|
| 42 |
RSA |
Renaissance Society of America |
United States |
|
| 43 |
ACWS |
American Civil War Society |
United States |
|
| 44 |
CSI |
Christian Schools International |
Worldwide |
|
| 45 |
LDC |
Linguistic Data Consortium |
Worldwide |
|
| 46 |
ACER |
Australian Council for Educational Research |
Australia |
|
| 47 |
AACTE |
American Association of Colleges for Teacher Education |
United States |
|
| 48 |
ATM |
Association of Teachers of Mathematics |
United Kingdom |
|
| 49 |
SOF |
Science Olympiad Foundation |
India |
|
| 50 |
AoC |
Association of Colleges |
United Kingdom |
|
| 51 |
UTU |
Ulster Teachers Union |
Ireland |
|
| 52 |
UTU |
University Teachers Union |
Japan |
|
| 53 |
JET |
Japan Exchange and Teaching |
Japan |
|
| 54 |
SFI |
Students Federation of India |
India |
|
| 55 |
ALA |
American Library Association |
United States |
|
| 56 |
CIS |
Council of International Schools |
Worldwide |
|
| 57 |
RPSL |
Royal Philatelic Society London |
United Kingdom |
|
| 58 |
NECC |
National Educational Computing Conference |
United States |
|
| 59 |
ASA |
Albany Students’ Association |
New Zealand |
|
| 60 |
ACM |
Associated Colleges of the Midwest |
United States |
|
| 61 |
GPSC |
Graduate and Professional Student Council |
Worldwide |
|
| 62 |
MSBTE |
Maharashtra State Board of Technical Education |
India |
|
| 63 |
BUMS |
Bath University Maths Society |
United Kingdom |
|
| 64 |
BUMS |
Brandon University Music Students |
Canada |
|
| 65 |
IDRA |
Intercultural Development Research Association |
United States |
|
| 66 |
ASX |
Astronomy & Space Exploration Society |
Canada |
|
| 67 |
DSG |
Duke Student Government |
United States |
|
| 68 |
NAMA |
North American Mycological Association |
United States |
|
| 69 |
SOR |
School Organisation Review |
United Kingdom |
|
| 70 |
CSIA |
Chimney Safety Institute of America |
United States |
|
| 71 |
CSA |
Central Student Association |
Canada |
|
| 72 |
NPC |
National Panhellenic Conference |
United States |
|
| 73 |
NPC |
National Postgraduate Committee |
United Kingdom |
|
| 74 |
EIS |
Educational Institute of Scotland |
United Kingdom |
|
| 75 |
GMIC |
Golf Management Institute of Canada |
Canada |
|
| 76 |
IGHC |
Institute on Globalization and the Human Condition |
Canada |
|
| 77 |
GASCO |
German, Austrian & Swiss Consortia Organisation |
Worldwide |
|
| 78 |
AACBE |
American Accreditation Council for Business Education |
Worldwide |
|
| 79 |
ISIS |
Institute for Software Integrated Systems |
United States |
|
| 80 |
NFL |
National Forensic League |
United States |
|
| 81 |
GEB |
General Education Board |
United States |
|
| 82 |
PAL |
Police Athletic League |
Worldwide |
|
| 83 |
EGA |
Embroiderers’ Guild of America |
United States |
|
| 84 |
NEASC |
New England Association of Schools and Colleges |
United States |
|
| 85 |
MACUL |
Michigan Association for Computer Users in Learning |
United States |
|
| 86 |
BBB |
Beta Beta Beta |
United States |
|
| 87 |
ICTACT |
ICT Academy of Tamil Nadu |
India |
|
| 88 |
GAA |
Gemmological Association of Australia |
Australia |
|
| 89 |
RESS |
Ryerson Engineering Student Society |
Canada |
|
| 90 |
SPARK |
Sports, Play, and Active Recreation for Kids |
United States |
|
| 91 |
SPARK |
Students Promoting Awareness of Research Knowledge |
Canada |
|
| 92 |
GIFT |
Georgia Industrial Fellowships for Teachers |
United States |
|
| 93 |
KSBA |
Kentucky School Boards Association |
United States |
|
| 94 |
URN |
Undergraduate Research Network |
Worldwide |
|
| 95 |
TBC |
The Beijing Center for Chinese Studies |
China |
|
| 96 |
RUSA |
Reference and User Services Association |
United States |
|
| 97 |
RUSA |
Rutgers University Student Assembly |
United States |
|
| 98 |
AUA |
Association des Universités Africaines (Association of African Universities) |
Worldwide |
|
| 99 |
PFA |
Professional Fraternity Association |
United States |
|
| 100 |
SAAS |
Sports Association for Adelaide Schools |
Australia |
|
| 101 |
ACCA |
American College Counseling Association |
United States |
|
| 102 |
HESA |
Higher Education South Africa |
South Africa |
|
| 103 |
DAV |
Dayanand Anglo-Vedic |
India |
|
| 104 |
QUIC |
Queen’s University Investment Counsel |
Canada |
|
| 105 |
QUIC |
Queen’s University International Centre |
Canada |
|
| 106 |
ECMA |
Engineering College Magazines Associated |
United States |
|
| 107 |
PSIA |
Private Schools Interscholastic Association |
United States |
|
| 108 |
HMRC |
Health Management Research Center |
United States |
|
| 109 |
SVKM |
Shri Vile Parle Kelavani Mandal |
India |
|
| 110 |
COMEDK |
Consortium of Medical, Engineering and Dental Colleges of Karnataka |
India |
|
| 111 |
KUPECA |
Karnataka Unaided Private Engineering Colleges Association |
India |
|
| 112 |
NCTE |
National Centre for Technology in Education |
Ireland |
|
| 113 |
CCSF |
Coca-Cola Scholars Foundation |
United States |
|