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Schools›Guam›DEDEDO
SCHOOL COMMUNITY·GUAM DEPARTMENT OF EDUCATION·NCES 660000200068

ASTUMBO MIDDLE SCHOOL

389 CHALAN HACHON, DEDEDO, GU 96929 · (671) 300-2610 · Guam
GRADES 06–08MIDDLE22-SUBURBREGULAR SCHOOL419 STUDENTS
Enrollment
419
Middle
DISTRICT 625 · STATE 608
Student : Teacher
12.7:1
33 FTE teachers
DISTRICT 13.1:1 · STATE 13.1:1
Free / Reduced Lunch
,
Title I proxy
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 611928%
Grade 715838%
Grade 814234%
Student demographics
52%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 45% · STATE 47% · US 70%
Hispanic
10%
DISTRICT 0% · STATE 0% · US 30%
Asian
13232%
DISTRICT 20% · STATE 21% · US 6%
Two+
287%
DISTRICT 8% · STATE 8% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
25761%
DISTRICT 71% · STATE 67% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
21752%
Female
20248%

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4-year change

SY 2020-21 vs SY 2024-25
Enrollment
419
-136 (-25%) vs 2020
Student : Teacher
12.7:1
was 13.2:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-254193312.7:1N/A
2020-215554213.2:1N/A
2017-186065111.9:193% (562)
2015-165875211.3:195% (557)
Source: NCES Common Core of Data. Rows are the federal collections on file for ASTUMBO MIDDLE SCHOOL.

Since 2017-18: students down 31% (606 to 419); teachers down 35% (51 to 33).

About ASTUMBO MIDDLE SCHOOL

ASTUMBO MIDDLE SCHOOL is a public middle-grades school in DEDEDO, Guam. The school serves grades 6 through 8. Enrollment is 419 students. It has 31% fewer students than the average for middle schools in Guam (about 608).

ASTUMBO MIDDLE SCHOOL is one of the 41 schools that make up Guam Department of Education (23,413 students in total).

At ASTUMBO MIDDLE SCHOOL, 61% of students are Pacific Islander. It is also 32% Asian and 7% multiracial. On the diversity index, which measures the chance that two random students are from different groups, ASTUMBO MIDDLE SCHOOL scores 52%.

There are about 12.7 students for every full-time-equivalent teacher at ASTUMBO MIDDLE SCHOOL, which has 33. That is in line with the 13.1:1 average for middle schools in Guam.

ASTUMBO ELEMENTARY SCHOOL is the nearest public school to ASTUMBO MIDDLE SCHOOL, less than a tenth of a mile away. Other public schools within five miles number at least 8.

The school is in a suburban area outside a principal city, within an urbanized area with a population between 100,000 and 250,000, according to its NCES locale (Suburb: Mid-size).

From 555 students in 2020-21, enrollment fell to 419 by 2024-25.

People can post here about homework, tutoring, and testing dates and other school topics. Parents, students, alumni, and staff are welcome to post.

Quick facts

School name
ASTUMBO MIDDLE SCHOOL
District
Guam Department of Education
Address
389 CHALAN HACHON, DEDEDO, GU 96929
Phone
(671) 300-2610
County
Guam
Level
Middle
Grade range
06–08
Total enrollment
419
Teachers (FTE)
33
Student–teacher ratio
12.7:1
Locale
22-Suburb: Mid-size
NCES ID
660000200068
Charter school
No
Virtual school
No

Related schools

Other schools in Guam Department of Education
Other schools in DEDEDO
Nearby schools

Frequently asked questions

About ASTUMBO MIDDLE SCHOOL
What is the total enrollment at ASTUMBO MIDDLE SCHOOL?
ASTUMBO MIDDLE SCHOOL enrolls approximately 419 students in grades 06-08.
What age range does ASTUMBO MIDDLE SCHOOL serve?
ASTUMBO MIDDLE SCHOOL serves students from grade 06 through grade 08.
How many students per teacher at ASTUMBO MIDDLE SCHOOL?
Approximately 12.7:1 students per teacher at ASTUMBO MIDDLE SCHOOL.
How diverse is ASTUMBO MIDDLE SCHOOL?
ASTUMBO MIDDLE SCHOOL reports a student body of 0% Hispanic, 32% Asian, 7% Two or more.
Is ASTUMBO MIDDLE SCHOOL public or private?
ASTUMBO MIDDLE SCHOOL is a public K-12 school, overseen by Guam Department of Education.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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