PublicGrades 7-8
Arroyo Seco Junior High School
27171 North Vista Delgado Drive, Valencia, CA 91354-2244(661) 296-0991
Total Students1,239
Student/Teacher24.38:1
Math Prof.55.11%
Reading Prof.68.6%
School Information
Charter SchoolNo
Magnet SchoolNo
Virtual SchoolNo
CountyLos Angeles
School DistrictWilliam S. Hart Union High School District
Principal / AdminBrian Necessary(661) 296-0991
Founded1980
Free/Reduced Lunch17.19% Eligible
Acceptance Rate100%
Student Demographics
White38.1%
Hispanic38.2%
Black3%
Asian13.2%
Native American0.3%
Two Or More7.2%
Gender Distribution
51.7%
48.3%
Male Female
Students per Grade
Grade 7623
Grade 8616
School Calendar 2026-2027
July 2026
Academic Schedule • 2026-2027
Holiday Event
Sun
Mon
Tue
Wed
Thu
Fri
Sat
28
29
30
1
2
3
Independence Day Observed
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Arroyo Seco Junior High School
Academic Calendar (2026-2027)
July 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
August 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
October 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
November 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
December 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
January 2027
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
February 2027
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
March 2027
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
April 2027
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
May 2027
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
June 2027
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Key Dates & Holidays
Independence Day ObservedJul 3
Start Date for Returning StaffAug 6
First Day of School for All StudentsAug 11
Labor Day HolidaySep 7
Fall BreakOct 5
End of First QuarterOct 16
Veterans Day ObservanceNov 11
Thanksgiving Break PeriodNov 23
First Semester Finals PeriodDec 14
End of First SemesterDec 17
Winter Break StartDec 21
Winter Break EndJan 8
Start of Second SemesterJan 11
Martin Luther King Jr. DayJan 18
End of Third QuarterMar 19
Spring Break PeriodApr 5
Memorial Day ObservanceMay 31
Second Semester Finals PeriodJun 1
Last Day of School for StudentsJun 3
Juneteenth ObservedJun 18
Key Dates & Holidays
2026-2027Community Reviews
Real experiences from parents, students, and alumni. Your feedback helps families make informed decisions about Arroyo Seco Junior High School.
0.0
Overall Rating
Based on 0 reviews