What grades does Atholton High serve?

Atholton High is a High school serving students in Columbia, MD. The school is part of the local school district.

Where is Atholton High located?

Atholton High is located at Columbia, MD in a urban area.

What is the student-teacher ratio at Atholton High?

Atholton High has a student-teacher ratio of 16.1:1.

What schools are in Columbia, MD?

Columbia, MD is served by the local school district. Atholton High is one of the High schools in the area.

MDHighCalendar available · 85 events · Auto-updating

Atholton High — School Calendar 2026-27

High|Columbia, Maryland|Howard County Public Schools

Columbia, MD 21044

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Upcoming Events

Jul

Thu

NWSC Board MeetingEvent

Aug

Tue

First Day of SchoolEvent

Confirm bus route and pickup time. Early dismissal may apply.

Aug

Mon

First Day of SchoolEvent

Confirm bus route and pickup time. Early dismissal may apply.

Sep

Mon

NO SCHOOL (Labor Day)Holiday

Banks, government offices, and schools may be closed.

Sep

Mon

Labor DayHoliday

Banks, government offices, and schools may be closed.

Sep

Mon

Yom KippurEvent

No School - Howard County Public School System

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Plus waste, sports, holidays, and more.

School Profile

Grades

9–12

Enrollment

1,498

Student:Teacher

16.1:1

Locale

Urban

District

Howard County Public Schools

Econ. Disadvantaged

24.0%

Phone

(410)313-7065

School Statistics

Academics (SY 2020-21)

ELA Proficiency

84%

98th percentile in MD

Math Proficiency

73%

98th percentile in MD

Graduation Rate

96%

Chronic Absenteeism

12.9%

SY 2019-20

Programs & Activities (SY 2021-22)

AP Program

28 courses offered

577 students enrolled

Gifted & Talented

924 students enrolled

Dual Enrollment

158 students enrolled

SAT/ACT

301 test takers

Athletics

22 sports, 39 teams

765 participants

Student-Teacher Ratio: 15.1:1

Near average in MD

Technology & Internet Access (SY 2021-22)

1:1 Devices

Student devices available

Wi-Fi

Campus-wide wireless

Fiber Internet

High-speed connection

1,456

Connected devices

Staff & Support Services (SY 2021-22)

Teachers (FTE)

101.8

94% fully certified

Counselors

Psychologists

0.80000001

Nurses

School Resource Officers

Security Staff

Anti-Bullying Policy

District Finance (FY 2023)

Per-Pupil Spending

$19,256

Total current expenditure

Instruction Spending

$13,100

Per pupil, classroom only

Total Revenue/Pupil

$22,257

All funding sources

Funding Sources

Federal 5%State 33%Local 63%

District-level data from NCES F-33 Survey

Community Context

Median Home Value

$394,495

+0.8% 1yr+22.4% 5yr

Baltimore, MD metro area

Community Need Level

Moderate

CDC/ATSDR Social Vulnerability Index 2022

Neighborhood Indicators (Census Tract)

8.7%

Below 150% poverty line

3.7%

Unemployment rate

3.9%

Uninsured residents

4.8%

No HS diploma (25+)

Special Education (IDEA)

District-level data from IDEA Part B · Students ages 3-21 served under IDEA

Total Students Served

7,430

Ages 3-21 under IDEA

School-Age (6-21)

6,185

Receiving special ed services

Est. % of Enrollment

100%

District rate, school may vary

Disability Categories (District)

Specific Learning Disability

1,591 (26%)

Autism

1,237 (20%)

Speech/Language Impairment

983 (16%)

Other Health Impairment

923 (15%)

Emotional Disturbance

375 (6%)

Intellectual Disability

253 (4%)

Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ

Enrollment Trend (2014-2025)

1,540

Current enrollment

Stable(+6% 5yr)

Coming Up

Thu, Jul 23, 2026

NWSC Board Meeting

Event

Tue, Aug 4, 2026

First Day of School

Event

Mon, Aug 24, 2026

First Day of School

Event

Full School Calendar 2026-27

Date	Event	Type	Level
Mon, Sep 7, 2026	NO SCHOOL (Labor Day)	Holiday	—
Mon, Sep 7, 2026	Labor Day No School - Howard County Public School System	Holiday	—
Mon, Sep 21, 2026	Yom Kippur No School - Howard County Public School System	Event	—
Wed, Oct 14, 2026	Parent Teacher Conferences (NO SCHOOL)	Staff Day	—
Fri, Oct 16, 2026	Student holiday No School - Howard County Public School System	Holiday	—
Mon, Oct 19, 2026	Fall Break	Break	—
Tue, Oct 20, 2026	Fall Break	Break	—
Wed, Oct 21, 2026	Fall Break	Break	—
Thu, Oct 22, 2026	Fall Break	Break	—
Fri, Oct 23, 2026	Fall Break	Break	—
Wed, Oct 28, 2026	Student holiday No School - Howard County Public School System	Holiday	—
Tue, Nov 3, 2026	Election Day No School - Howard County Public School System	Event	—
Wed, Nov 25, 2026	Thanksgiving Break Thanksgiving Break - Howard County Public School System	Break	—
Wed, Nov 25, 2026	Thanksgiving Break	Break	—
Thu, Nov 26, 2026	Thanksgiving Break	Break	—
Fri, Nov 27, 2026	Thanksgiving Break	Break	—
Mon, Dec 7, 2026	Christmas Program Northwestern High School Auditorium	Holiday	—
Mon, Dec 21, 2026	Christmas Break	Break	—
Thu, Dec 24, 2026	Winter Break Winter Break - Howard County Public School System	Break	—
Mon, Jan 18, 2027	NO SCHOOL (or Snow make up day)	Event	—
Mon, Jan 18, 2027	Martin Luther King Jr. Day No School - Howard County Public School System	Event	—
Tue, Jan 19, 2027	Student holiday No School - Howard County Public School System	Holiday	—
Wed, Feb 3, 2027	Student holiday No School - Howard County Public School System	Holiday	—
Mon, Feb 15, 2027	Presidents' Day No School - Howard County Public School System	Event	—
Mon, Feb 15, 2027	NO SCHOOL (or Snow make up day)	Event	—
Tue, Mar 9, 2027	Student holiday No School - Howard County Public School System	Holiday	—
Mon, Mar 22, 2027	Spring Break Spring Break - Howard County Public School System	Break	—
Fri, Mar 26, 2027	Good Friday (NO SCHOOL)	Event	—
Mon, Mar 29, 2027	Spring Break	Break	—
Mon, May 31, 2027	Memorial Day No School - Howard County Public School System	Holiday	—
Tue, Jun 8, 2027	Last Day of School Last Day of School - Howard County Public School System	Event	—