Lowest Student–Teacher Ratio in San Francisco (2025)

Schools with the fewest students per FTE teacher, among schools with at least 100 students. Ranked by the Success Index (US) from official American data; 100 schools in San Francisco, California. Rank positions shown on each profile are within United States and California.

#	School	Sector	Students per teacher	Success Index (US)	Key result	Students
1	KIPP San Francisco College Preparatory San Francisco · High · Grades 9–12	Charter	9.3	58.2 Top 50%	47% Math proficiency	196
2	KIPP Bayview Academy San Francisco · Middle · Grades 5–8	Charter	13.9	30.1 Lower 50%	33% Math proficiency	167
3	Marshall (Thurgood) High San Francisco · High · Grades 8–12	Public	14.4	17.6 Lower 50%	12% Math proficiency	475
4	Brown Jr. (Willie L) Middle San Francisco · Middle · Grades 6–8	Public	14.5	24.7 Lower 50%	8% Math proficiency	363
5	Everett Middle San Francisco · Middle · Grades 6–8	Public	15.4	31.6 Lower 50%	27% Math proficiency	401
6	O'Connell (John) High San Francisco · High · Grades 9–12	Public	15.9	17.8 Lower 50%	2.5% Math proficiency	460
7	Garfield Elementary San Francisco · Elementary · Grades K–5	Public	16.0	66.4 Top 50%	67% Math proficiency	176
8	Francisco Middle San Francisco · Middle · Grades 6–8	Public	16.0	47.6 Lower 50%	49% Math proficiency	496
9	Lick (James) Middle San Francisco · Middle · Grades 6–8	Public	16.5	21.2 Lower 50%	16% Math proficiency	479
10	King Jr. (Martin Luther) Academic Middle San Francisco · Middle · Grades 6–8	Public	16.7	25.0 Lower 50%	27% Math proficiency	367
11	Mission High San Francisco · High · Grades 9–12	Public	16.8	20.5 Lower 50%	7.5% Math proficiency	993
12	KIPP Bayview Elementary San Francisco · Elementary · Grades K–4	Charter	16.9	26.5 Lower 50%	89.6% Free/reduced-price lunch	135
13	Marina Middle San Francisco · Middle · Grades 6–8	Public	17.0	48.7 Lower 50%	50% Math proficiency	646
14	Gateway High San Francisco · High · Grades 9–12	Charter	17.2	47.3 Lower 50%	37% Math proficiency	464
15	Roosevelt Middle San Francisco · Middle · Grades 6–8	Public	17.3	74.7 Top 25%	72% Math proficiency	657
16	City Arts & Leadership Academy San Francisco · High · Grades 9–12	Charter	17.3	25.0 Lower 50%	12% Math proficiency	397
17	Mission Education Center San Francisco · Elementary · Grades K–5	Public	17.5	17.4 Lower 50%	2.5% Math proficiency	105
18	Gateway Middle San Francisco · Middle · Grades 6–8	Charter	17.6	45.7 Lower 50%	32% Math proficiency	247
19	Denman (James) Middle San Francisco · Middle · Grades 6–8	Public	18.3	32.7 Lower 50%	31% Math proficiency	807
20	Visitacion Valley Middle San Francisco · Middle · Grades 6–8	Public	18.5	13.8 Lower 50%	12% Math proficiency	333
21	Revere (Paul) Elementary San Francisco · Elementary · Grades K–8	Public	18.9	13.9 Lower 50%	8% Math proficiency	453
22	Creative Arts Charter San Francisco · Elementary · Grades K–8	Charter	19.1	73.0 Top 25%	65% Math proficiency	440
23	KIPP San Francisco Bay Academy San Francisco · Middle · Grades 5–8	Charter	19.1	27.1 Lower 50%	30% Math proficiency	267
24	San Francisco Community Alternative San Francisco · Elementary · Grades K–8	Public	19.2	32.3 Lower 50%	32% Math proficiency	230
25	Wallenberg (Raoul) Traditional High San Francisco · High · Grades 9–12	Public	19.3	58.6 Top 50%	57% Math proficiency	522
26	Burton (Phillip and Sala) Academic High San Francisco · High · Grades 9–12	Public	19.4	38.0 Lower 50%	29% Math proficiency	1,047
27	Sanchez Elementary San Francisco · Elementary · Grades K–5	Public	19.4	11.9 Lower 50%	12% Math proficiency	272
28	Spring Valley Elementary San Francisco · Elementary · Grades K–5	Public	19.5	47.4 Lower 50%	57% Math proficiency	234
29	King (Thomas Starr) Elementary San Francisco · Elementary · Grades K–5	Public	19.6	59.9 Top 50%	57% Math proficiency	333
30	Lakeshore Alternative Elementary San Francisco · Elementary · Grades K–5	Public	19.8	29.7 Lower 50%	31% Math proficiency	416
31	Galileo High San Francisco · High · Grades 9–12	Public	19.9	53.9 Top 50%	52% Math proficiency	1,750
32	Balboa High San Francisco · High · Grades 9–12	Public	20.3	44.8 Lower 50%	39% Math proficiency	1,238
33	Yick Wo Elementary San Francisco · Elementary · Grades K–5	Public	20.5	75.0 Top 25%	77% Math proficiency	205
34	Thomas Edison Charter Academy San Francisco · Elementary · Grades K–8	Charter	20.5	29.3 Lower 50%	29% Math proficiency	574
35	The New School of San Francisco San Francisco · Elementary · Grades K–8	Charter	20.8	75.4 Top 25%	72% Math proficiency	457
36	Feinstein (Dianne) Elementary San Francisco · Elementary · Grades K–5	Public	20.9	70.0 Top 25%	65% Math proficiency	356
37	Buena Vista/ Horace Mann K-8 San Francisco · Elementary · Grades K–8	Public	20.9	24.3 Lower 50%	26% Math proficiency	586
38	McKinley Elementary San Francisco · Elementary · Grades K–5	Public	21.0	70.4 Top 25%	62% Math proficiency	294
39	Lowell High San Francisco · High · Grades 9–12	Public	21.1	74.1 Top 25%	83% Math proficiency	2,571
40	Presidio Middle San Francisco · Middle · Grades 6–8	Public	21.1	71.3 Top 25%	68% Math proficiency	992
41	Chin (John Yehall) Elementary San Francisco · Elementary · Grades K–5	Public	21.2	67.0 Top 50%	77% Math proficiency	233
42	Aptos Middle San Francisco · Middle · Grades 6–8	Public	21.2	52.0 Top 50%	50% Math proficiency	911
43	Flynn (Leonard R.) Elementary San Francisco · Elementary · Grades K–5	Public	21.2	16.6 Lower 50%	12% Math proficiency	381
44	Mission Preparatory San Francisco · Elementary · Grades K–8	Charter	21.3	62.7 Top 50%	75% Math proficiency	491
45	Parker (Jean) Elementary San Francisco · Elementary · Grades K–5	Public	21.3	44.3 Lower 50%	57% Math proficiency	128
46	Lawton Alternative San Francisco · Elementary · Grades K–8	Public	21.4	69.8 Top 25%	76% Math proficiency	600
47	Harte (Bret) Elementary San Francisco · Elementary · Grades K–5	Public	21.4	10.5 Lower 50%	12% Math proficiency	257
48	Bryant Elementary San Francisco · Elementary · Grades K–5	Public	21.5	18.7 Lower 50%	22% Math proficiency	237
49	Argonne Elementary San Francisco · Elementary · Grades K–5	Public	21.7	71.1 Top 25%	77% Math proficiency	391
50	Parks (Rosa) Elementary San Francisco · Elementary · Grades K–5	Public	21.7	35.2 Lower 50%	37% Math proficiency	326
51	Visitacion Valley Elementary San Francisco · Elementary · Grades K–5	Public	21.7	33.2 Lower 50%	42% Math proficiency	239
52	Glen Park Elementary San Francisco · Elementary · Grades K–5	Public	21.8	33.4 Lower 50%	37% Math proficiency	348
53	Moscone (George R.) Elementary San Francisco · Elementary · Grades K–5	Public	22.3	37.5 Lower 50%	52% Math proficiency	334
54	Cobb (William L.) Elementary San Francisco · Elementary · Grades K–5	Public	22.3	19.5 Lower 50%	24.5% Math proficiency	134
55	Peabody (George) Elementary San Francisco · Elementary · Grades K–5	Public	22.4	81.7 Top 10%	82% Math proficiency	269
56	Lilienthal (Claire) Elementary San Francisco · Elementary · Grades K–8	Public	22.4	78.9 Top 25%	77% Math proficiency	673
57	Sherman Elementary San Francisco · Elementary · Grades K–5	Public	22.4	65.8 Top 50%	62% Math proficiency	291
58	Washington (George) High San Francisco · High · Grades 9–12	Public	22.5	55.0 Top 50%	55% Math proficiency	2,068
59	Lincoln (Abraham) High San Francisco · High · Grades 9–12	Public	22.5	51.8 Top 50%	49% Math proficiency	2,074
60	Ulloa Elementary San Francisco · Elementary · Grades K–5	Public	22.6	69.5 Top 25%	81% Math proficiency	520
61	Milk (Harvey) Civil Rights Elementary San Francisco · Elementary · Grades K–5	Public	22.8	42.0 Lower 50%	37% Math proficiency	137
62	Grattan Elementary San Francisco · Elementary · Grades K–5	Public	23.1	70.4 Top 25%	67% Math proficiency	392
63	Sutro Elementary San Francisco · Elementary · Grades K–5	Public	23.1	60.5 Top 50%	67% Math proficiency	254
64	Cleveland Elementary San Francisco · Elementary · Grades K–5	Public	23.1	12.3 Lower 50%	12% Math proficiency	300
65	Jefferson Elementary San Francisco · Elementary · Grades K–5	Public	23.2	73.5 Top 25%	75% Math proficiency	511
66	Huerta (Dolores) Elementary San Francisco · Elementary · Grades K–5	Public	23.2	23.8 Lower 50%	17% Math proficiency	418
67	McCoppin (Frank) Elementary San Francisco · Elementary · Grades K–5	Public	23.5	64.1 Top 50%	57% Math proficiency	258
68	Hoover (Herbert) Middle San Francisco · Middle · Grades 6–8	Public	23.5	54.4 Top 50%	57% Math proficiency	963
69	Lafayette Elementary San Francisco · Elementary · Grades K–5	Public	23.6	75.1 Top 25%	76% Math proficiency	471
70	Webster (Daniel) Elementary San Francisco · Elementary · Grades K–5	Public	23.6	49.9 Lower 50%	47% Math proficiency	354
71	Muir (John) Elementary San Francisco · Elementary · Grades K–5	Public	23.6	49.2 Lower 50%	57% Math proficiency	260
72	Giannini (A.P.) Middle San Francisco · Middle · Grades 6–8	Public	23.7	72.3 Top 25%	69% Math proficiency	1,183
73	Sloat (Commodore) Elementary San Francisco · Elementary · Grades K–5	Public	24.3	67.1 Top 50%	67% Math proficiency	364
74	Sunnyside Elementary San Francisco · Elementary · Grades K–5	Public	24.4	70.0 Top 25%	72% Math proficiency	366
75	Alamo Elementary San Francisco · Elementary · Grades K–5	Public	24.4	65.9 Top 50%	69% Math proficiency	390
76	Hillcrest Elementary San Francisco · Elementary · Grades K–5	Public	24.4	32.5 Lower 50%	47% Math proficiency	317
77	West Portal Elementary San Francisco · Elementary · Grades K–5	Public	24.5	67.6 Top 50%	67% Math proficiency	588
78	Longfellow Elementary San Francisco · Elementary · Grades K–5	Public	24.5	27.1 Lower 50%	31% Math proficiency	466
79	Sheridan Elementary San Francisco · Elementary · Grades K–5	Public	24.5	17.2 Lower 50%	17% Math proficiency	196
80	Miraloma Elementary San Francisco · Elementary · Grades K–5	Public	24.6	74.1 Top 25%	72% Math proficiency	344
81	Guadalupe Elementary San Francisco · Elementary · Grades K–5	Public	24.8	22.4 Lower 50%	27% Math proficiency	273
82	Chavez (Cesar) Elementary San Francisco · Elementary · Grades K–5	Public	24.8	12.5 Lower 50%	15% Math proficiency	397
83	Drew (Charles) College Preparatory Academy San Francisco · Elementary · Grades K–5	Public	25.0	12.2 Lower 50%	2.5% Math proficiency	200
84	Five Keys Charter (SF Sheriff's) San Francisco · High · Grades 9–12	Charter	25.1	61.0 Top 50%	25.4% Free/reduced-price lunch	201
85	Lau (Gordon J.) Elementary San Francisco · Elementary · Grades K–5	Public	25.1	50.4 Top 50%	67% Math proficiency	653
86	Carmichael (Bessie)/FEC San Francisco · Elementary · Grades K–8	Public	25.2	18.4 Lower 50%	22% Math proficiency	555
87	Chinese Immersion School at DeAvila San Francisco · Elementary · Grades K–5	Public	25.4	78.4 Top 25%	92% Math proficiency	407
88	Clarendon Alternative Elementary San Francisco · Elementary · Grades K–5	Public	25.4	75.6 Top 25%	69% Math proficiency	533
89	Ortega (Jose) Elementary San Francisco · Elementary · Grades K–5	Public	25.6	64.1 Top 50%	67% Math proficiency	410
90	Tenderloin Community San Francisco · Elementary · Grades K–5	Public	25.6	16.6 Lower 50%	22% Math proficiency	282
91	Serra (Junipero) Elementary San Francisco · Elementary · Grades K–5	Public	25.7	24.4 Lower 50%	32% Math proficiency	283
92	Yu (Alice Fong) Elementary San Francisco · Elementary · Grades K–8	Public	25.8	71.1 Top 25%	70% Math proficiency	594
93	Redding Elementary San Francisco · Elementary · Grades K–5	Public	26.7	40.2 Lower 50%	42% Math proficiency	240
94	Monroe Elementary San Francisco · Elementary · Grades K–5	Public	26.7	35.5 Lower 50%	46% Math proficiency	533
95	Sunset Elementary San Francisco · Elementary · Grades K–5	Public	26.8	76.8 Top 25%	86% Math proficiency	402
96	San Francisco Public Montessori San Francisco · Elementary · Grades K–5	Public	26.8	61.1 Top 50%	57% Math proficiency	107
97	Alvarado Elementary San Francisco · Elementary · Grades K–5	Public	26.9	67.2 Top 50%	62% Math proficiency	538
98	Taylor (Edward R.) Elementary San Francisco · Elementary · Grades K–5	Public	26.9	43.3 Lower 50%	56% Math proficiency	564
99	Marshall Elementary San Francisco · Elementary · Grades K–5	Public	27.2	19.3 Lower 50%	17% Math proficiency	245
100	Rooftop Elementary San Francisco · Elementary · Grades K–8	Public	27.4	62.7 Top 50%	56% Math proficiency	575

KIPP San Francisco College Preparatory in San Francisco leads the 2025 list of lowest student–teacher ratio in San Francisco with Students per teacher 9.3. Of the 100 schools shown, 88 are public, 12 are charter.

For the full picture see the wider California lowest student–teacher ratio rankings, every school on the San Francisco page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best ratio school in San Francisco?

KIPP San Francisco College Preparatory in San Francisco, California ranks first among lowest student–teacher ratio in San Francisco with Students per teacher 9.3 (Enrollment: 196).

How are lowest student–teacher ratio in San Francisco ranked?

Schools with the fewest students per FTE teacher, among schools with at least 100 students. Only schools eligible for the Success Index (US) are included; the index is shown alongside for context.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official American data (Urban Institute Education Data Portal (NCES CCD, EDFacts); NCES Common Core of Data). States set their own assessments and proficiency cut scores, so proficiency rates are most comparable within a state. Use the state rankings for like-for-like comparisons.