Lowest Student–Teacher Ratio in Simi Valley Unified (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; 25 schools in Simi Valley Unified, California. Rank positions shown on each profile are within United States and California.

1
67
Justin ElementarySimi Valley · Public ElementaryStudents per teacher: 9.4
2
16
Park View ElementarySimi Valley · Public ElementaryStudents per teacher: 16.8
3
35
Knolls ElementarySimi Valley · Public ElementaryStudents per teacher: 17.7
4
42
Garden Grove ElementarySimi Valley · Public ElementaryStudents per teacher: 18.9
5
22
Santa Susana ElementarySimi Valley · Public ElementaryStudents per teacher: 19.5
6
71
Santa Susana HighSimi Valley · Public HighStudents per teacher: 20.7
7
42
Sycamore ElementarySimi Valley · Public ElementaryStudents per teacher: 21.1
8
64
Atherwood ElementarySimi Valley · Public ElementaryStudents per teacher: 21.7
9
53
Madera ElementarySimi Valley · Public ElementaryStudents per teacher: 22.0
10
26
Arroyo ElementarySimi Valley · Public ElementaryStudents per teacher: 22.0
11
45
Royal HighSimi Valley · Public HighStudents per teacher: 22.1
12
42
Sinaloa MiddleSimi Valley · Public MiddleStudents per teacher: 22.2
13
33
Crestview ElementarySimi Valley · Public ElementaryStudents per teacher: 22.5
14
46
Township ElementarySimi Valley · Public ElementaryStudents per teacher: 22.7
15
51
Hillside MiddleSimi Valley · Public MiddleStudents per teacher: 22.8
16
21
Berylwood ElementarySimi Valley · Public ElementaryStudents per teacher: 22.9
17
42
Katherine ElementarySimi Valley · Public ElementaryStudents per teacher: 23.1
18
66
Big Springs ElementarySimi Valley · Public ElementaryStudents per teacher: 23.2
19
55
White Oak ElementarySimi Valley · Public ElementaryStudents per teacher: 23.5
20
75
Vista ElementarySimi Valley · Public ElementaryStudents per teacher: 23.6
21
33
Mountain View ElementarySimi Valley · Public ElementaryStudents per teacher: 23.6
22
50
Simi Valley HighSimi Valley · Public HighStudents per teacher: 24.5
23
58
Wood Ranch ElementarySimi Valley · Public ElementaryStudents per teacher: 25.1
24
48
Valley View MiddleSimi Valley · Public MiddleStudents per teacher: 25.1
25
66
Hollow Hills ElementarySimi Valley · Public ElementaryStudents per teacher: 28.0

#	School	Sector	Students per teacher	Success Index (US)	Key result	Students
1	Justin Elementary Simi Valley · Elementary · Grades K–6	Public	9.4	66.5 Top 50%	44.7% Free/reduced-price lunch	103
2	Park View Elementary Simi Valley · Elementary · Grades K–6	Public	16.8	15.7 Lower 50%	21% Math proficiency	319
3	Knolls Elementary Simi Valley · Elementary · Grades K–6	Public	17.7	34.6 Lower 50%	27% Math proficiency	212
4	Garden Grove Elementary Simi Valley · Elementary · Grades K–6	Public	18.9	41.5 Lower 50%	42% Math proficiency	283
5	Santa Susana Elementary Simi Valley · Elementary · Grades K–6	Public	19.5	21.9 Lower 50%	27% Math proficiency	312
6	Santa Susana High Simi Valley · High · Grades 9–12	Public	20.7	70.7 Top 25%	53% Math proficiency	1,033
7	Sycamore Elementary Simi Valley · Elementary · Grades K–6	Public	21.1	41.5 Lower 50%	42% Math proficiency	359
8	Atherwood Elementary Simi Valley · Elementary · Grades K–6	Public	21.7	63.7 Top 50%	57% Math proficiency	456
9	Madera Elementary Simi Valley · Elementary · Grades K–6	Public	22.0	52.5 Top 50%	47% Math proficiency	264
10	Arroyo Elementary Simi Valley · Elementary · Grades K–6	Public	22.0	25.8 Lower 50%	17% Math proficiency	264
11	Royal High Simi Valley · High · Grades 9–12	Public	22.1	44.8 Lower 50%	29% Math proficiency	1,835
12	Sinaloa Middle Simi Valley · Middle · Grades 6–8	Public	22.2	42.2 Lower 50%	41% Math proficiency	843
13	Crestview Elementary Simi Valley · Elementary · Grades K–6	Public	22.5	33.1 Lower 50%	32% Math proficiency	248
14	Township Elementary Simi Valley · Elementary · Grades K–6	Public	22.7	46.3 Lower 50%	43% Math proficiency	521
15	Hillside Middle Simi Valley · Middle · Grades 6–8	Public	22.8	50.6 Top 50%	43% Math proficiency	1,138
16	Berylwood Elementary Simi Valley · Elementary · Grades K–6	Public	22.9	21.4 Lower 50%	27% Math proficiency	457
17	Katherine Elementary Simi Valley · Elementary · Grades K–6	Public	23.1	41.6 Lower 50%	42% Math proficiency	300
18	Big Springs Elementary Simi Valley · Elementary · Grades K–6	Public	23.2	65.5 Top 50%	62% Math proficiency	441
19	White Oak Elementary Simi Valley · Elementary · Grades K–6	Public	23.5	54.5 Top 50%	49% Math proficiency	352
20	Vista Elementary Simi Valley · Elementary · Grades K–6	Public	23.6	75.4 Top 25%	76% Math proficiency	567
21	Mountain View Elementary Simi Valley · Elementary · Grades K–6	Public	23.6	32.9 Lower 50%	37% Math proficiency	401
22	Simi Valley High Simi Valley · High · Grades 9–12	Public	24.5	49.6 Top 50%	31% Math proficiency	1,910
23	Wood Ranch Elementary Simi Valley · Elementary · Grades K–6	Public	25.1	57.9 Top 50%	57% Math proficiency	452
24	Valley View Middle Simi Valley · Middle · Grades 6–8	Public	25.1	47.7 Lower 50%	43% Math proficiency	1,329
25	Hollow Hills Elementary Simi Valley · Elementary · Grades K–6	Public	28.0	65.6 Top 50%	62% Math proficiency	560

Justin Elementary in Simi Valley leads the 2025 list of lowest student–teacher ratio in Simi Valley Unified with Students per teacher 9.4. Of the 25 schools shown, 25 are public.

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

Free academic assessment

Is your child on grade level in reading and math?

Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.

Personalised learning plan mapped to the Australian Curriculum
English & Maths from Kindergarten to Year 12
Flexible memberships, no lock-in contracts
Centres across NSW, VIC, QLD, WA, SA and ACT

Frequently asked questions

What is the best ratio school in Simi Valley Unified?

Justin Elementary in Simi Valley, California ranks first among lowest student–teacher ratio in Simi Valley Unified with Students per teacher 9.4 (Enrollment: 103).

How are lowest student–teacher ratio in Simi Valley Unified 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.