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 · 36 events · Auto-updating

Events confirmed from Howard County Public Schools's official calendar.

Atholton High — School Calendar 2026-27

High|Columbia, Maryland|Howard County Public Schools

Columbia, MD 21044

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Upcoming Events

Sep

Mon

Yom KippurEventDistrict-wide

No School - Howard County Public School System

Oct

Wed

Parent Teacher Conferences (NO SCHOOL)Staff DayDistrict-wide

Oct

Fri

Student holidayHolidayDistrict-wide

Banks, government offices, and schools may be closed.

Oct

Mon

Fall BreakBreakDistrict-wide

Oct

Tue

Fall BreakBreakDistrict-wide

Oct

Wed

Fall BreakBreakDistrict-wide

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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

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

Full School Calendar 2026-27

Events marked District-wide apply to all schools in Howard County Public Schools. Atholton High follows the district calendar.

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