Among "All Schools", view the boarding schools with the oldest founding date (2024-25).
The "founding dates" below are the dates that schools have traditionally.
Note that the definition of "founding date" may differ slightly from school to school (e.g., whether it selects the year the school first received its charter or the year it first admitted students - regardless, the differences between the two are often small).
Year Founded Range: 1744
1890
Avg. Year Founded: 1848
Oldest Founding Date
Sorted by range (alphabetically within range)
Boarding School
Year Founded
Grades
Location
Rank: #11
Year Founded: 1744
Grades: 9-12, PG
1079 Firetower Road
Colora, MD 21917
(410) 658-9224
Colora, MD 21917
(410) 658-9224
Rank: #22
Linden Hall School for Girls
All-Girls
Year Founded: 1746
Grades: 6-12, PG
212 E Main Street
Lititz, PA 17543
(717) 626-8512
Lititz, PA 17543
(717) 626-8512
Year Founded: 1763
Grades: 9-12
1 Elm Street
Byfield, MA 01922
(978) 499-3120
Byfield, MA 01922
(978) 499-3120
Rank: #44
Year Founded: 1778
Grades: 9-12, PG
180 Main Street
Andover, MA 01810
(978) 749-4050
Andover, MA 01810
(978) 749-4050
Rank: #55
Year Founded: 1781
Grades: 9-12, PG
20 Main Street
Exeter, NH 03833
(603) 777-3437
Exeter, NH 03833
(603) 777-3437
Rank: #66
Year Founded: 1789
Grades: 9-12
10900 Rockville Pike
North Bethesda, MD 20852
(301) 214-1215
North Bethesda, MD 20852
(301) 214-1215
Rank: #7-87.-8
Year Founded: 1792
Grades: 9-12, PG
745 Main Street
Fryeburg, ME 04037
(207) 935-2013
Fryeburg, ME 04037
(207) 935-2013
Rank: #7-87.-8
Year Founded: 1792
Grades: 9-12, PG
PO Box 190, 66 Cutler Road
East Machias, ME 04630
(207) 255-8301
East Machias, ME 04630
(207) 255-8301
Rank: #99
Year Founded: 1793
Grades: 9-12
26 Powderhouse Road, P.O. Box 992
Groton, MA 01450
(978) 448-1530
Groton, MA 01450
(978) 448-1530
Rank: #1010
Year Founded: 1794
Grades: 9-12, PG
10 Main Street
Cheshire, CT 06410
(203) 439-7250
Cheshire, CT 06410
(203) 439-7250
Rank: #1111
Oakwood Friends School
(Quaker)
Year Founded: 1796
Grades: 8-12 | 5-12 (day)
22 Spackenkill Road
Poughkeepsie, NY 12603
(845) 462-4200
Poughkeepsie, NY 12603
(845) 462-4200
Rank: #1212
Year Founded: 1797
Grades: 9-12, PG
7 Boyden Lane
Deerfield, MA 01342
(413) 774-1400
Deerfield, MA 01342
(413) 774-1400
Rank: #1313
Year Founded: 1798
Grades: 9-12 | K-12 (day)
170 Centre Street
Milton, MA 02186
(617) 898-2227
Milton, MA 02186
(617) 898-2227
Rank: #1414
Year Founded: 1799
Grades: 9-12 | PK-12 (day)
975 Westtown Rd
West Chester, PA 19382
(610) 399-7900
West Chester, PA 19382
(610) 399-7900
Rank: #1515
Year Founded: 1804
Grades: 8-12, PG | 6-12, PG (day)
423 Main Street
Wilbraham, MA 01095
(413) 596-9107
Wilbraham, MA 01095
(413) 596-9107
Rank: #1616
Bridgton Academy
All-Boys
Year Founded: 1808
Grades: 12-12, PG
11 Academy Lane
North Bridgton, ME 04057
(207) 647-3322
North Bridgton, ME 04057
(207) 647-3322
Rank: #1717
Year Founded: 1810
Grades: 9-12, PG
2500 Main Street
Lawrenceville, NJ 08648
(609) 895-2030
Lawrenceville, NJ 08648
(609) 895-2030
Rank: #1818
Year Founded: 1813
Grades: 9-12, PG
7 Campus Center Drive
Meriden, NH 03770
(603) 469-2100
Meriden, NH 03770
(603) 469-2100
Rank: #19-2019.-20
Year Founded: 1814
Grades: 9-12, PG
285 Pawling Avenue
Troy, NY 12180
(518) 833-1320
Troy, NY 12180
(518) 833-1320
Rank: #19-2019.-20
Year Founded: 1814
Grades: 7-12 | 5-12 (day)
60 Knox Lane
Wheeling, WV 26003
(304) 233-1436
Wheeling, WV 26003
(304) 233-1436
Rank: #21-2221.-22
Year Founded: 1820
Grades: 9-12, PG
80 Academy Drive
Wolfeboro, NH 03894
(603) 569-7200
Wolfeboro, NH 03894
(603) 569-7200
Rank: #21-2221.-22
Year Founded: 1820
Grades: 8-12 | K-12 (day)
400 South Drive
Winnipeg, Canada 00000
(204) 477-2400
Winnipeg, Canada 00000
(204) 477-2400
Rank: #2323
Year Founded: 1821
Grades: 9-12, PG
70 Main Street
New Hampton, NH 03256
(603) 677-3401
New Hampton, NH 03256
(603) 677-3401
Rank: #2424
Year Founded: 1823
Grades: 9-12, PG
975 West Main Street
Dover Foxcroft, ME 04426
(207) 564-8664
Dover Foxcroft, ME 04426
(207) 564-8664
Rank: #2525
Year Founded: 1824
Grades: 9-12, PG
PO Box 257, 1614 Main St., Rte. 17
Kents Hill, ME 04349
(207) 685-1606
Kents Hill, ME 04349
(207) 685-1606
Rank: #2626
Year Founded: 1826
Grades: 9-12, PG
115 College Street
Hudson, OH 44236
(330) 650-9717
Hudson, OH 44236
(330) 650-9717
Rank: #2727
Year Founded: 1832
Grades: 9-12, PG
8400 Greenspring Avenue
Stevenson, MD 21153
(410) 486-7401
Stevenson, MD 21153
(410) 486-7401
Rank: #2828
Year Founded: 1834
Grades: 9-12, PG | 6-12, PG (day)
81 Providence Street
Worcester, MA 01604
(508) 459-5481
Worcester, MA 01604
(508) 459-5481
Rank: #29-3029.-30
Year Founded: 1836
Grades: 7-12
80 chemin Moulton Hill
Sherbrooke, Quebec, Canada J1M 1Z8
(819) 566-0238
Sherbrooke, Quebec, Canada J1M 1Z8
(819) 566-0238
Rank: #29-3029.-30
Year Founded: 1836
Grades: 8-12, PG | 7-12, PG (day)
39 Church Street
Bethel, ME 04217
(207) 824-7777
Bethel, ME 04217
(207) 824-7777
Rank: #3131
Year Founded: 1839
Grades: 9-12
1200 N. Quaker Lane
Alexandria, VA 22302
(703) 933-4062
Alexandria, VA 22302
(703) 933-4062
Rank: #3232
Year Founded: 1841
Grades: 9-12, PG | 7-12, PG (day)
19 Payson Avenue
Easthampton, MA 01027
(413) 529-3241
Easthampton, MA 01027
(413) 529-3241
Rank: #33-3633.-36
Year Founded: 1842
Grades: 9-12
16945 Bayview Ave
Newmarket, Ontario, Canada L3Y4X2
(905) 895-1700
Newmarket, Ontario, Canada L3Y4X2
(905) 895-1700
Rank: #33-3633.-36
Saint James School
(Episcopal)
Year Founded: 1842
Grades: 8-12
17641 College Road
Hagerstown, MD 21740
(301) 733-9330
Hagerstown, MD 21740
(301) 733-9330
Rank: #33-3633.-36
Year Founded: 1842
Grades: 9-12, PG
1000 Main Street, PO Box 906
St. Johnsbury, VT 05819
(802) 751-2130
St. Johnsbury, VT 05819
(802) 751-2130
Rank: #33-3633.-36
Year Founded: 1842
Grades: 9-12
900 Hillsborough Street
Raleigh, NC 27603
(919) 424-4100
Raleigh, NC 27603
(919) 424-4100
Rank: #3737
Year Founded: 1843
Grades: 9-12
60 Main Street
Farmington, CT 06032
(860) 409-3530
Farmington, CT 06032
(860) 409-3530
Rank: #38-3938.-39
Stuart Hall School
(Episcopal)
Year Founded: 1844
Grades: 8-12, PG | 6-12, PG (day)
235 West Frederick Street
Staunton, VA 24401
(540) 213-7098
Staunton, VA 24401
(540) 213-7098
Rank: #38-3938.-39
Year Founded: 1844
Grades: 9-12, PG
201 N. Sprague Ave.
Kingston, PA 18704
(570) 270-2160
Kingston, PA 18704
(570) 270-2160
Rank: #4040
Year Founded: 1845
Grades: 9-12, PG
30 School Street
Tilton, NH 03276
(603) 286-1733
Tilton, NH 03276
(603) 286-1733
Rank: #41-4241.-42
Year Founded: 1848
Grades: 9-12, PG
2 Park St
Blairstown, NJ 07825
(908) 362-2009
Blairstown, NJ 07825
(908) 362-2009
Rank: #41-4241.-42
Year Founded: 1848
Grades: 9-12, PG
204 Main Street - P.O. Box 500
Andover, NH 03216
(603) 735-6652
Andover, NH 03216
(603) 735-6652
Rank: #43-4443.-44
Year Founded: 1850
Grades: 9-12, PG
99 Green Hill Road
Washington, CT 06793
(860) 868-7334
Washington, CT 06793
(860) 868-7334
Rank: #43-4443.-44
Year Founded: 1850
Grades: 9-12 | K-12 (day)
1500 Butterfield Road
San Anselmo, CA 94960
(415) 258-1990
San Anselmo, CA 94960
(415) 258-1990
Rank: #45-4645.-46
Buffalo Seminary
All-Girls
Year Founded: 1851
Grades: 9-12, PG
205 Bidwell Parkway
Buffalo, NY 14222
(716) 885-6780
Buffalo, NY 14222
(716) 885-6780
Rank: #45-4645.-46
Year Founded: 1851
Grades: 9-12, PG
860 Beech Street
Pottstown, PA 19464
(610) 326-1000
Pottstown, PA 19464
(610) 326-1000
Rank: #4747
Year Founded: 1852
Grades: 7-12
2317 Oak Ridge Road
Oak Ridge, NC 27310
(336) 515-8040
Oak Ridge, NC 27310
(336) 515-8040
Rank: #4848
Year Founded: 1853
Grades: 7-12, PG | 5-12, PG (day)
2522 Grier School Road
Tyrone, PA 16686
(814) 684-3000
Tyrone, PA 16686
(814) 684-3000
Rank: #49-5049.-50
Saint Stanislaus High School
All-Boys (Catholic)
Year Founded: 1854
Grades: 7-12
304 S. Beach Blvd.
Bay St. Louis, MS 39520
(228) 467-9057
Bay St. Louis, MS 39520
(228) 467-9057
Rank: #49-5049.-50
Woodstock School
(Christian)
Year Founded: 1854
Grades: 6-12 | PK-5 (day)
Landour, Mussoorie, Uttarakhand
Landour, India 248179
911356615
Landour, India 248179
911356615
Rank: #5151
Year Founded: 1855
Grades: 9-12, PG
101 North University
Beaver Dam, WI 53916
(800) 860-7725
Beaver Dam, WI 53916
(800) 860-7725
Rank: #5252
Year Founded: 1856
Grades: 9-12
325 Pleasant Street
Concord, NH 03301
(603) 229-4700
Concord, NH 03301
(603) 229-4700
Rank: #53-5553.-55
Year Founded: 1857
Grades: 7-12 | PK-12 (day)
160 Dundas Street West
Belleville, Canada K8P 1A6
(613) 968-5726
Belleville, Canada K8P 1A6
(613) 968-5726
Rank: #53-5553.-55
Year Founded: 1857
Grades: 9-12, PG
1500 West Kennedy Road
Lake Forest, IL 60045
(847) 615-3267
Lake Forest, IL 60045
(847) 615-3267
Rank: #53-5553.-55
Saint John's Preparatory School
(Catholic)
Year Founded: 1857
Grades: 9-12, PG | 6-12, PG (day)
2280 Watertower Road
Collegeville, MN 56321
(320) 363-3315
Collegeville, MN 56321
(320) 363-3315
Rank: #5656
St. Lawrence Seminary High School
All-Boys (Catholic)
Year Founded: 1860
Grades: 9-12
301 Church Street
Mt. Calvary, WI 53057
(920) 753-7570
Mt. Calvary, WI 53057
(920) 753-7570
Rank: #57-5857.-58
Iolani School
(Episcopal)
Year Founded: 1863
Grades: 9-12 | K-12 (day)
563 Kamoku Street
Honolulu, HI 96826
(808) 943-2379
Honolulu, HI 96826
(808) 943-2379
Rank: #57-5857.-58
Maur Hill - Mount Academy (MH-MA)
(Catholic)
Year Founded: 1863
Grades: 9-12
1000 Green St.
Atchison, KS 66002
(913) 367-5482
Atchison, KS 66002
(913) 367-5482
Rank: #59-6259.-62
Year Founded: 1865
Grades: 9-12, PG
39 School Street
Ashburnham, MA 01430
(978) 827-7300
Ashburnham, MA 01430
(978) 827-7300
Rank: #59-6259.-62
Year Founded: 1865
Grades: 9-12
25 Marlboro Road
Southborough, MA 01772
(508) 786-6118
Southborough, MA 01772
(508) 786-6118
Rank: #59-6259.-62
St. Mary's School
(Catholic)
Year Founded: 1865
Grades: 6-12 | 5-12 (day)
816 Black Oak Drive
Medford, OR 97504
(541) 773-7877
Medford, OR 97504
(541) 773-7877
Rank: #59-6259.-62
Trinity College School
(Anglican)
Year Founded: 1865
Grades: 9-12 | 5-12 (day)
55 Deblaquire St N.
Port Hope, Canada L1A4K7
(905) 885-3209
Port Hope, Canada L1A4K7
(905) 885-3209
Rank: #63-6463.-64
Year Founded: 1866
Grades: 7-9 | K-9 (day)
48 Main Street
Southborough, MA 01772
(508) 490-8201
Southborough, MA 01772
(508) 490-8201
Rank: #63-6463.-64
Year Founded: 1866
Grades: 9-12, PG
295 Main Street
Pittsfield, ME 04967
(207) 487-2282
Pittsfield, ME 04967
(207) 487-2282
Rank: #65-6765.-67
Year Founded: 1867
Grades: 9-12, PG
PO Box 127, 168 Institute Circle
Lyndon Center, VT 05850
(802) 535-3700
Lyndon Center, VT 05850
(802) 535-3700
Rank: #65-6765.-67
Year Founded: 1867
Grades: 8-12, PG
1500 Glencoe Road
Sparks Glencoe, MD 21152
(443) 662-1009
Sparks Glencoe, MD 21152
(443) 662-1009
Rank: #65-6765.-67
Year Founded: 1867
Grades: 8-12, PG
314 Mountain Road
Cornwall on Hudson, NY 12520
(845) 534-9860
Cornwall on Hudson, NY 12520
(845) 534-9860
Rank: #6868
Year Founded: 1868
Grades: 7-12 | 6-12 (day)
290 Quintard Rd.
Sewanee, TN 37375
(931) 598-5651
Sewanee, TN 37375
(931) 598-5651
Rank: #69-7069.-70
Oregon Episcopal School
(Episcopal)
Year Founded: 1869
Grades: 9-12, PG | PK-12, PG (day)
6300 SW Nicol Road
Portland, OR 97223
(503) 768-3115
Portland, OR 97223
(503) 768-3115
Rank: #69-7069.-70
Year Founded: 1869
Grades: 7-12, PG
574 Bernardston Road
Greenfield, MA 01301
(413) 774-2711
Greenfield, MA 01301
(413) 774-2711
Rank: #7171
Year Founded: 1870
Grades: 7-12 | 6-12 (day)
319 Webb Road East
Bell Buckle, TN 37020
(931) 389-6003
Bell Buckle, TN 37020
(931) 389-6003
Rank: #7272
Year Founded: 1872
Grades: 7-12, PG
450 Dufferein
Stanstead, Canada 05830
(819) 876-2223
Stanstead, Canada 05830
(819) 876-2223
Rank: #73-7473.-74
Academy of the Holy Family
All-Girls (Catholic)
Year Founded: 1874
Grades: 9-12
54 W. Main Street Box 691
Baltic, CT 06330
(860) 822-6279
Baltic, CT 06330
(860) 822-6279
Rank: #73-7473.-74
Year Founded: 1874
Grades: 9-12, PG
4 Batchelder Road
Windsor, CT 06095
(860) 687-6400
Windsor, CT 06095
(860) 687-6400
Rank: #75-7675.-76
Year Founded: 1875
Grades: 6-12, PG
200 Seminary Street
Pennsburg, PA 18073
(215) 679-9511
Pennsburg, PA 18073
(215) 679-9511
Rank: #75-7675.-76
Year Founded: 1875
Grades: 8-12, PG
120 South 100 West
Mt. Pleasant, UT 84647
(435) 462-1400
Mt. Pleasant, UT 84647
(435) 462-1400
Rank: #7777
Year Founded: 1876
Grades: 9-12
226 Front Street
Marion, MA 02738
(508) 291-8300
Marion, MA 02738
(508) 291-8300
Rank: #78-7978.-79
Year Founded: 1878
Grades: 8-12, PG
1000 Samuel Miller Loop
Charlottesville, VA 22903
(434) 818-1385
Charlottesville, VA 22903
(434) 818-1385
Rank: #78-7978.-79
Year Founded: 1878
Grades: 8-12
2635 Oak Hill Road
Mouth of Wilson, VA 24363
(276) 579-2619
Mouth of Wilson, VA 24363
(276) 579-2619
Rank: #80-8280.-82
Year Founded: 1879
Grades: 7-12
225 S. Wayne Avenue
Waynesboro, VA 22980
(540) 946-7706
Waynesboro, VA 22980
(540) 946-7706
Rank: #80-8280.-82
Year Founded: 1879
Grades: 9-12, PG
PO Box 1879
Plymouth, NH 03264
(603) 536-1747
Plymouth, NH 03264
(603) 536-1747
Rank: #80-8280.-82
Year Founded: 1879
Grades: 9-12, PG
One Lamplighter Way
Mount Hermon, MA 01354
(413) 498-3227
Mount Hermon, MA 01354
(413) 498-3227
Rank: #8383
Year Founded: 1880
Grades: 7-12 | PK-12 (day)
202 Smothers Road
Seymour, TN 37865
(865) 573-8321
Seymour, TN 37865
(865) 573-8321
Rank: #8484
Year Founded: 1881
Grades: 9-12 | 5-12 (day)
45 Dana Road
Wellesley, MA 02482
(781) 489-1331
Wellesley, MA 02482
(781) 489-1331
Rank: #8585
Year Founded: 1883
Grades: 9-12
423 Fox Chapel Road
Pittsburgh, PA 15238
(412) 968-3180
Pittsburgh, PA 15238
(412) 968-3180
Rank: #86-8786.-87
Year Founded: 1884
Grades: 9-12 | Pre-K-12 (day)
827 N Tacoma Ave
Tacoma, WA 98403
(253) 284-8603
Tacoma, WA 98403
(253) 284-8603
Rank: #86-8786.-87
Year Founded: 1884
Grades: 6-12, PG
1101 Genesee Street
Delafield, WI 53018
(262) 646-7199
Delafield, WI 53018
(262) 646-7199
Rank: #8888
Year Founded: 1886
Grades: 9-12, PG
45 Georgian Road
Weston, MA 02493
(781) 642-8650
Weston, MA 02493
(781) 642-8650
Rank: #8989
Year Founded: 1887
Grades: 7-12
405 North Subiaco Avenue
Subiaco, AR 72865
(479) 934-1000
Subiaco, AR 72865
(479) 934-1000
Rank: #90-9190.-91
Year Founded: 1888
Grades: 9-12, PG
1888 Brett Lane
Saltsburg, PA 15681
(724) 639-8035
Saltsburg, PA 15681
(724) 639-8035
Rank: #90-9190.-91
Year Founded: 1888
Grades: 9-12, PG
995 Hopmeadow Street
Simsbury, CT 06070
(860) 408-3060
Simsbury, CT 06070
(860) 408-3060
Rank: #92-9792.-97
Hoosac School
(Episcopal)
Year Founded: 1889
Grades: 8-12, PG
14 Pine Valley Road
Hoosick, NY 12089
(518) 686-7331
Hoosick, NY 12089
(518) 686-7331
Rank: #92-9792.-97
Year Founded: 1889
Grades: 7-12, PG
204 Grand Street
Mexico, MO 65265
(573) 581-1776
Mexico, MO 65265
(573) 581-1776
Rank: #92-9792.-97
Year Founded: 1889
Grades: 7-12, PG
78 Academy Ave.
Cornwall-on-Hudson, NY 12520
(845) 534-3710
Cornwall-on-Hudson, NY 12520
(845) 534-3710
Rank: #92-9792.-97
Year Founded: 1889
Grades: 6-12, PG | PK-12, PG (day)
2 Ridley Road
St.Catharines, Canada L2R7C3
(905) 684-1889
St.Catharines, Canada L2R7C3
(905) 684-1889
Rank: #92-9792.-97
Year Founded: 1889
Grades: 9-12
5025 Thacher Road
Ojai, CA 93023
(805) 640-3210
Ojai, CA 93023
(805) 640-3210
Rank: #92-9792.-97
Year Founded: 1889
Grades: 9-12
241 Woodberry Station
Woodberry Forest, VA 22989
(888) 798-9371
Woodberry Forest, VA 22989
(888) 798-9371
Rank: #98-10198.-101
Year Founded: 1890
Grades: 9-12, PG
333 Christian Street
Wallingford, CT 06492
(203) 697-2239
Wallingford, CT 06492
(203) 697-2239
Rank: #98-10198.-101
Year Founded: 1890
Grades: 6-12, PG
66 School Street
Granby, MA 01033
(413) 255-0000
Granby, MA 01033
(413) 255-0000
Rank: #98-10198.-101
Saint Bede Academy
(Catholic)
Year Founded: 1890
Grades: 9-12
24 W US Highway 6
Peru, IL 61354
(815) 250-0285
Peru, IL 61354
(815) 250-0285
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