📊 Data: NCES CCD 2024–2025·🔄 Updated: May 2026·Editorial standards
📍 Columbia, MD · Howard County

Howard County Public Schools

Grades Pre-K – 12th · 57,676 students · 77 schools · 20 zip codes

10
out of 10 Rating Excellent
State reading & math proficiency · 94th percentile among Maryland districts. Ranked within Maryland only — not comparable across states.
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School District · Maryland
Howard County Public Schools
📍 Columbia, MD · Howard County · NCES LEAID 2400420
10/10
Rating
57,676
Students
77
Schools
Pre-K – 12th
Grade Span
20
Zip Codes
District Contact & InformationSource: NCES CCD 2024–25
📚
Grades Served
Pre-K – 12th
📞
District Phone
(410)313-6600
📍
District Mailing Address
10910 Clarksville Pike, Ellicott City, MD 21042
🎓
Enrollment
57,676 students
🏫
Schools
77
🏙
County
Howard County, MD
🌐
NCES District ID (LEAID)
2400420
🏛
District Type
Public School District
Zip Codes Served by Howard County Public Schools20 zip codes
Zip CodeCityCountyState
20701Annapolis JunctionHoward CountyMD
20723LaurelHoward CountyMD
20759FultonHoward CountyMD
20763SavageHoward CountyMD
20777HighlandHoward CountyMD
20794JessupHoward CountyMD
21029ClarksvilleHoward CountyMD
21036DaytonHoward CountyMD
21042Ellicott CityHoward CountyMD
21043Ellicott CityHoward CountyMD
21044ColumbiaHoward CountyMD
21045ColumbiaHoward CountyMD
21046ColumbiaHoward CountyMD
21075ElkridgeHoward CountyMD
21104MarriottsvilleHoward CountyMD
21723CooksvilleHoward CountyMD
21737GlenelgHoward CountyMD
21738GlenwoodHoward CountyMD
21794West FriendshipHoward CountyMD
21797WoodbineHoward CountyMD
Frequently Asked Questions
What zip codes are in Howard County Public Schools?▼
Howard County Public Schools serves 20 zip codes: 20701, 20723, 20759, 20763, 20777, 20794, 21029, 21036, 21042, 21043, 21044, 21045, 21046, 21075, 21104, 21723, 21737, 21738, 21794, 21797. Zip codes and district boundaries do not line up exactly, so confirm your exact address with the district office before you rely on an assignment.
How is Howard County Public Schools rated?▼
Howard County Public Schools has an overall rating of 10 out of 10 (Excellent), based on the share of students proficient in reading and math on state assessments (NCES EDFacts). That places it in the 94th percentile among Maryland school districts. Ratings are percentile-ranked within Maryland only and are not comparable across states.
How many students attend Howard County Public Schools?▼
The NCES Common Core of Data directory reports enrollment of 57,676 students across 77 schools for Howard County Public Schools.
What grades does Howard County Public Schools serve?▼
Howard County Public Schools is listed in the NCES directory as serving grades Pre-K – 12th.
How do I contact Howard County Public Schools?▼
You can reach Howard County Public Schools by phone at (410)313-6600 or by mail at 10910 Clarksville Pike, Ellicott City, MD 21042. Contact details come from the NCES district directory and are the best way to confirm which school your address is assigned to.

About Howard County Public Schools

Howard County Public Schools is a public school district serving 20 zip codes in Maryland, primarily in Howard County. It carries an overall rating of 10/10 (Excellent), the 94th percentile among Maryland districts. That rating reflects the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts with a 2017–18 fallback for the rest) and is ranked only against other Maryland districts — scores are not comparable between states. Directory details on this page come from the NCES Common Core of Data, 2024–25.

District boundaries are address-specific and do not follow zip code lines exactly — a single zip code can be split between two or more districts. Use the zip codes listed above as a starting point, then confirm your assignment with the district office at (410)313-6600 before making a housing decision.

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