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Class Size and Student-to-Faculty Ratio

¹ú²úµÚÒ»¸£ÀûÓ°Ôº²Ý²Ý provides the student-to-faculty ratio and class sizes for more than 300 of the most selective postsecondary institutions in the U.S.

*Data collected from institutional Common Data Set (CDS) forms for 2024-25. An asterisk (*) denotes that 2024 data was unavailable, and the most recent data available was provided instead. 

Table updated November 2025

InstitutionStudent-to-Faculty RatioClass Size (% of Classes Under 20)Class Size (% of Classes 20-49)Class Size (% of Classes 50 or more)
138600Agnes Scott College10:177%23%0%
210669Allegheny College8:184%16%0%
131159American UniversityAU10:158%42%0.4%
164465Amherst College7:167%32%2%
197869Appalachian State UniversityApp State16:141%52%7%
104151Arizona State UniversityASU18:139%43%18%
100858Auburn University21:134%50%16%
164580Babson College15:119%80%1%
189088Bard College9:186%*13%*0%*
189097Barnard College10:167%25%8%
160977Bates College9:161%39%1%
223232Baylor University15:149%42%9%
238333Beloit College12:172%28%0%
230816Bennington College9:162%37%1%
164739Bentley University12:122%78%0%
156295Berea College9:186%14%0.2%
164748Berklee College of Music9:188%12%0.2%
196079Binghamton University17:152%35%14%
142115Boise State University20:138%53%9%
164924Boston CollegeBC10:149%46%6%
164988Boston UniversityBU10:159%27%13%
161004Bowdoin College9:165%34%1%
165015Brandeis University9:159%33%9%
230038Brigham Young University-ProvoBYU22:145%41%13%
217156Brown University6:168%20%13%
217165Bryant University13:128%72%0%
211273Bryn Mawr College8:176%22%2%
211291Bucknell University9:153%46%1%
150163Butler University11:150%46%4%
110404California Institute of TechnologyCaltech3:171%22%7%
111081California Institute of the Arts7:1Not ReportedNot ReportedNot Reported
110422California Polytechnic State University-San Luis ObispoCal Poly18:118%71%12%
110529California State Polytechnic University-Pomona25:124%60%16%
110556California State University-Fresno23:116%78%6%
110565California State University-Fullerton25:122%72%6%
110583California State University-Long Beach26:121%71%8%
110592California State University-Los Angeles22:125%69%6%
173258Carleton College9:166%33%0.3%
211440Carnegie Mellon UniversityCMU6:168%21%11%
201645Case Western Reserve University9:152%31%17%
131283Catholic University of America11:160%37%4%
156408Centre College11:169%32%0%
230852Champlain College14:185%15%0%
111948Chapman University12:140%58%2%
112260Claremont McKenna CollegeCMC8:178%21%1%
165334Clark University9:162%36%2%
190044Clarkson University13:148%40%13%
217882Clemson University16:137%47%16%
161086Colby College10:166%32%2%
190099Colgate University9:171%28%1%
217819College of Charleston17:132%62%6%
160959College of the Atlantic10:197%3%0%
166124College of the Holy Cross9:164%36%1%
231624College of William and MaryW&M13:146%45%9%
126678Colorado CollegeCC9:172%28%0%
126775Colorado School of Mines18:116%58%26%
126818Colorado State UniversityCSU17:132%45%23%
190150Columbia University in the City of New York6:158%29%14%
128902Connecticut College9:167%32%1%
190372Cooper Union for the Advancement of Science and Art8:169%30%1%
153162Cornell College12:172%28%0%
190415Cornell University9:153%27%20%
181002Creighton University11:143%52%5%
190512CUNY Bernard M Baruch College21:122%61%17%
190594CUNY Hunter College13:142%51%8%
182670Dartmouth College6:158%36%6%
198385Davidson College8:174%26%0%
202523Denison University9:168%32%0.3%
144740DePaul University17:141%57%2%
150400DePauw University10:171%29%0.2%
212009Dickinson College11:165%35%0%
153269Drake University11:148%46%6%
184348Drew University11:175%26%0%
212054Drexel University9:142%49%9%
198419Duke University5:171%21%8%
212106Duquesne University13:144%48%9%
150455Earlham College7:180%19%1%
198464East Carolina UniversityECU17:139%45%16%
133492Eckerd College11:155%44%0.2%
212197Elizabethtown College13:154%45%1%
198516Elon University11:150%50%0%
133553Embry-Riddle Aeronautical University18:115%82%3%
165662Emerson College13:174%26%0.2%
165671Emmanuel College13:143%57%0%
139658Emory University8:163%25%12%
129242Fairfield University12:140%59%1%
191126Fashion Institute of TechnologyFIT16:131%69%0%
133669Florida Atlantic UniversityFAU24:139%49%12%
133881Florida Institute of Technology9:148%46%6%
133951Florida International UniversityFIU22:135%51%14%
134079Florida Southern College11:157%43%0%
134097Florida State UniversityFSU17:163%28%10%
191241Fordham University14:149%51%0.3%
212577Franklin and Marshall CollegeF&M9:163%36%1%
441982Franklin W Olin College of Engineering9:1*49%*49%*2%*
218070Furman University10:175%25%0%
232186George Mason UniversityGMU16:133%53%14%
131469George Washington UniversityGWU13:152%37%11%
131496Georgetown University11:165%29%6%
139861Georgia College & State University17:144%55%1%
139755Georgia Institute of TechnologyGeorgia Tech21:136%37%27%
139940Georgia State University25:123%55%22%
212674Gettysburg College10:160%40%0.2%
235316Gonzaga University12:141%59%1%
162654Goucher College9:180%20%0%
153384Grinnell College9:163%36%1%
212805Grove City College13:152%45%4%
173647Gustavus Adolphus College11:164%36%0%
191515Hamilton College9:173%27%0.2%
166018Hampshire College17:160%40%0%
150756Hanover College12:163%37%0.4%
166027Harvard University7:172%17%12%
115409Harvey Mudd CollegeHMC8:162%33%5%
212911Haverford College9:172%28%1%
107080Hendrix College11:168%33%0%
170286Hillsdale College8:178%21%1%
191630Hobart William Smith Colleges11:167%33%0%
191649Hofstra University13:148%50%3%
170301Hope College9:149%50%0.3%
131520Howard UniversityHU13:140%52%9%
145725Illinois Institute of TechnologyIIT17:150%42%9%
145646Illinois Wesleyan University12:164%35%1%
151351Indiana University-BloomingtonIUB17:135%47%19%
153603Iowa State University18:133%43%24%
191968Ithaca College11:164%33%3%
232423James Madison UniversityJMU17:136%52%12%
162928Johns Hopkins UniversityJHU6:1Not ReportedNot ReportedNot Reported
213251Juniata College11:164%35%1%
170532Kalamazoo College10:163%37%0%
155399Kansas State University19:145%43%12%
203535Kenyon College9:170%30%0.2%
169983Kettering University11:173%27%0%
146427Knox College11:184%16%0.4%
213385Lafayette College10:165%34%0.3%
146481Lake Forest College13:144%56%0%
239017Lawrence University7:179%20%1%
192323Le Moyne College12:151%48%1%
213543Lehigh University10:146%44%10%
209056Lewis & Clark College12:157%43%1%
159391Louisiana State UniversityLSU21:143%41%17%
117946Loyola Marymount UniversityLMU10:154%45%1%
146719Loyola University ChicagoLUC13:138%60%3%
163046Loyola University Maryland12:148%52%1%
173902Macalester College10:169%31%0.2%
161299Maine Maritime Academy10:155%45%0%
192819Marist College16:151%49%0%
239105Marquette University14:137%53%10%
166683Massachusetts Institute of TechnologyMIT3:168%21%11%
140447Mercer University11:155%41%4%
204024Miami University-Oxford16:127%64%9%
171100Michigan State UniversityMSU17:1Not ReportedNot ReportedNot Reported
171128Michigan Technological University13:147%39%14%
230959Middlebury College9:160%40%1%
239318Milwaukee School of EngineeringMSOE12:146%54%0.2%
176080Mississippi State University16:143%43%14%
178411Missouri University of Science and TechnologyMUST17:140%46%14%
180461Montana State University18:145%43%13%
140553Morehouse College15:151%48%2%
166939Mount Holyoke CollegeMHC9:172%27%1%
214175Muhlenberg College9:176%24%0.2%
262129New College of Florida8:182%18%0%
185828New Jersey Institute of TechnologyNJIT16:132%64%4%
187967New Mexico Institute of Mining and TechnologyNMIT9:166%31%3%
193900New York UniversityNYU8:159%31%10%
199193North Carolina State UniversityNC State15:132%48%20%
167358Northeastern University16:151%41%8%
147767Northwestern University6:176%17%7%
204501Oberlin College9:178%22%0.4%
120254Occidental CollegeOxy9:169%31%0.2%
204796Ohio State UniversityOSU14:139%42%19%
204857Ohio UniversityOU18:127%57%16%
204909Ohio Wesleyan University12:153%47%0%
209542Oregon State UniversityOSU17:127%52%21%
214777Pennsylvania State UniversityPSU; Penn State15:131%51%17%
121150Pepperdine University12:169%29%2%
121257Pitzer College10:177%23%0%
121345Pomona College7:172%27%1%
194578Pratt Institute-Main9:195%5%0.1%
186131Princeton University5:176%15%10%
217402Providence College11:153%44%3%
243780Purdue University-Main Campus15:141%39%20%
130226Quinnipiac University12:150%48%2%
186201Ramapo College of New Jersey17:141%59%0%
209922Reed College9:177%22%1%
194824Rensselaer Polytechnic InstituteRPI14:145%38%17%
217493Rhode Island School of DesignRISD8:1Not ReportedNot ReportedNot Reported
221351Rhodes College9:180%20%0%
227757Rice University6:164%26%10%
195003Rochester Institute of TechnologyRIT13:147%46%7%
136950Rollins College12:162%38%0.3%
152318Rose-Hulman Institute of TechnologyRHIT12:142%58%0.2%
184782Rowan University17:143%57%0.4%
186371Rutgers University-Camden12:155%41%5%
186380Rutgers University-New BrunswickRU16:137%42%21%
186399Rutgers University-Newark14:135%53%12%
183239Saint Anselm College12:161%37%2%
179159Saint Louis UniversitySLU9:1Not ReportedNot ReportedNot Reported
231059Saint Michael's College10:173%27%0%
122409San Diego State UniversitySDSU24:129%52%19%
122755San Jose State UniversitySJSU26:118%71%12%
122931Santa Clara UniversitySCU11:143%56%1%
195304Sarah Lawrence CollegeSLC10:177%22%1%
123165Scripps College10:175%25%0%
236595Seattle University11:140%60%1%
195474Siena College12:137%63%0%
167783Simmons University9:155%43%1%
195526Skidmore College8:176%24%0.4%
167835Smith College8:168%29%3%
399911Soka University of America7:195%5%0%
228246Southern Methodist UniversitySMU11:154%35%11%
228343Southwestern University11:168%32%0%
141060Spelman College11:157%41%1%
195216St. Lawrence UniversitySLU11:166%33%1%
174844St. Olaf College12:141%58%2%
163976St. John's College (MD)7:199%1%1%
245652St. John's College (NM)7:198%2%0%
163912St. Mary's College of Maryland10:169%30%1%
243744Stanford University6:170%19%11%
196176State University of New York at New Paltz16:143%54%3%
137546Stetson University10:173%26%1%
186867Stevens Institute of Technology11:131%55%14%
167996Stonehill College12:152%47%1%
196097Stony Brook University19:136%44%21%
196219SUNY at Purchase College12:169%29%3%
196167SUNY College at Geneseo16:136%55%9%
196103SUNY College of Environmental Science and Forestry14:160%31%10%
216287Swarthmore College7:171%27%3%
196413Syracuse University15:161%30%9%
216339Temple University12:144%51%6%
228723Texas A&M University-College Station21:127%47%26%
228875Texas Christian UniversityTCU14:139%55%6%
229115Texas Tech University20:133%46%21%
187134The College of New JerseyTCNJ14:135%65%0.3%
206589The College of Wooster10:164%36%0.2%
193654The New School9:195%4%0.1%
100751The University of Alabama19:142%38%20%
180489The University of Montana18:147%43%10%
137847The University of Tampa17:132%67%2%
221759The University of Tennessee-KnoxvilleUTK18:129%54%17%
228778The University of Texas at AustinUT Austin18:137%39%24%
228787The University of Texas at DallasUTD; UT Dallas23:124%47%29%
221519The University of the South9:166%33%1%
124292Thomas Aquinas College10:1100%0%0%
216366Thomas Jefferson University12:161%37%2%
164076Towson University14:138%59%3%
130590Trinity College9:167%33%0.4%
229267Trinity University9:169%31%1%
178615Truman State University12:162%37%0.3%
168148Tufts University10:159%33%8%
160755Tulane University of Louisiana7:161%32%8%
196866Union College9:169%31%0.3%
128328United States Air Force AcademyUSAFA8:160%40%0%
130624United States Coast Guard AcademyUSCGA7:1Not ReportedNot ReportedNot Reported
197027United States Merchant Marine Academy9:1Not ReportedNot ReportedNot Reported
197036United States Military AcademyUSMA6:197%3%0%
164155United States Naval Academy8:167%33%0.4%
196088University at Buffalo11:135%45%20%
100663University of Alabama at BirminghamUAB18:150%38%12%
104179University of ArizonaUA20:128%54%18%
106397University of Arkansas20:139%42%20%
110635University of California-BerkeleyUCB: UC Berkeley18:150%30%21%
110644University of California-DavisUCD; UC Davis22:131%35%34%
110653University of California-IrvineUCI; UC Irvine19:146%33%22%
110662University of California-Los AngelesUCLA20:147%29%24%
445188University of California-MercedUC Merced20:123%45%32%
110671University of California-RiversideUCR; UC Riverside22:127%41%32%
110680University of California-San DiegoUCSD; UC San Diego19:139%34%27%
110705University of California-Santa BarbaraUCSB; UC Santa Barbara17:157%25%19%
110714University of California-Santa CruzUCSC; UC Santa Cruz22:127%47%27%
132903University of Central FloridaUCF28:128%47%25%
144050University of ChicagoUChicago5:178%16%7%
201885University of Cincinnati-Main Campus19:133%47%20%
126614University of Colorado-Boulder19:140%41%20%
129020University of ConnecticutUConn17:153%30%17%
224323University of Dallas11:164%35%1%
130943University of DelawareUD13:132%50%19%
127060University of DenverUD9:154%39%7%
134130University of FloridaUF16:150%39%10%
139959University of GeorgiaUGA17:145%43%12%
225511University of Houston22:133%44%24%
142285University of Idaho18:158%32%10%
145600University of Illinois at ChicagoUIC17:132%49%19%
145637University of Illinois at Urbana-ChampaignUIUC20:138%42%20%
153658University of Iowa16:149%37%14%
155317University of KansasKU18:140%43%17%
157085University of KentuckyUK18:135%50%15%
157289University of Louisville14:140%50%10%
161253University of Maine15:142%44%15%
232681University of Mary Washington14:157%39%5%
163268University of Maryland-Baltimore CountyUMBC17:143%45%12%
163286University of Maryland-College ParkUMD17:146%36%18%
166629University of Massachusetts-AmherstUMass Amherst17:147%35%18%
166638University of Massachusetts-BostonUMass Boston15:140%54%6%
166513University of Massachusetts-LowellUMass Lowell17:145%50%5%
135726University of MiamiUM11:153%40%7%
170976University of MichiganUMich15:152%29%19%
174233University of Minnesota-Duluth16:142%47%11%
174251University of Minnesota-Morris9:182%18%0.3%
174066University of Minnesota-Twin CitiesUMN17:136%44%20%
176017University of MississippiOle Miss18:146%38%16%
178396University of Missouri-ColumbiaMizzou17:142%40%18%
181464University of Nebraska-LincolnUNL17:131%49%20%
182281University of Nevada-Las VegasUNLV19:146%42%12%
182290University of Nevada-RenoUNR17:137%45%18%
183044University of New HampshireUNH17:135%49%16%
199111University of North Carolina at AshevilleUNC Asheville13:152%47%1%
199120University of North Carolina at Chapel HillUNC Chapel Hill15:142%45%13%
199139University of North Carolina at CharlotteUNCC; UNC Charlotte21:125%45%30%
199148University of North Carolina at GreensboroUNCG; UNC Greensboro18:133%50%18%
199218University of North Carolina-WilmingtonUNC Wilmington17:136%55%9%
152080University of Notre DameUND8:160%32%9%
207500University of OklahomaOU18:141%48%11%
209551University of Oregon18:136%46%18%
215062University of PennsylvaniaUPenn8:159%22%20%
215293University of Pittsburgh13:140%42%17%
209825University of Portland9:145%55%0.3%
236328University of Puget Sound10:167%33%1%
121691University of Redlands10:165%35%0.4%
217484University of Rhode IslandURI17:138%52%11%
233374University of Richmond7:176%24%0.1%
195030University of Rochester9:168%21%12%
122436University of San DiegoUSD13:141%59%0.2%
122612University of San FranciscoUSF11:143%57%0.4%
215929University of Scranton11:152%48%0.1%
218663University of South CarolinaUSC19:134%51%16%
137351University of South FloridaUSF22:137%48%15%
123961University of Southern CaliforniaUSC8:161%27%12%
174914University of St. Thomas (MN)13:135%65%1%
230764University of Utah19:143%37%21%
231174University of VermontUVM17:141%41%18%
234076University of VirginiaUVA14:147%36%16%
377555University of Washington-Bothell Campus22:116%79%5%
236948University of Washington-SeattleUW20:129%44%27%
240444University of Wisconsin-MadisonUW-Madison18:142%34%24%
216524Ursinus College10:160%40%1%
221999Vanderbilt UniversityVandy8:159%33%8%
197133Vassar College7:172%28%0.1%
216597Villanova University10:144%54%3%
234030Virginia Commonwealth UniversityVCU17:133%52%15%
233921Virginia TechVirginia Tech17:133%46%21%
152673Wabash College9:171%29%0.4%
199847Wake Forest University10:164%35%1%
234207Washington and Lee UniversityW&L; WLU7:180%20%0%
164216Washington College8:186%14%0%
236939Washington State UniversityWSU13:134%46%20%
179867Washington University in St. LouisWashU7:165%26%10%
168218Wellesley College8:168%32%0.2%
168227Wentworth Institute of Technology17:137%62%1%
130697Wesleyan University7:174%24%1%
216764West Chester University of Pennsylvania20:130%67%4%
238032West Virginia UniversityWVU19:143%40%17%
125727Westmont College11:159%40%1%
149781Wheaton College (IL)10:161%32%6%
168281Wheaton College (MA)12:161%38%1%
237057Whitman College10:169%31%0.003%
125763Whittier College8:177%23%0%
210401Willamette University12:175%25%0%
168342Williams College7:171%27%2%
218973Wofford College12:156%44%0%
168421Worcester Polytechnic InstituteWPI13:166%24%11%
130794Yale University5:173%18%9%
197708Yeshiva UniversityYU7:162%38%0.3%

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