Lehigh County
Northern Lehigh School District
Academic outcomes (2024-25)
% proficient or advanced, official PDE district files. Gold tick = state average.
The true tax picture
- School millage (2025-26)
- 25.9914 mills
- Effective school tax (of market value)
- 1.28%/yr
- Typical total (county + muni + school)
- 1.72%/yr
- On a $450,000 purchase
- ≈ $7,741/yr
- Median asking (2 active)
- $334,450
Rates assume an assessment at Lehigh County's current Common Level Ratio (49.40%). PA does not reassess on sale. Exact math for any price: the calculator.
Tax bill by municipality
| Municipality | Muni millage | Total millage | Effective rate | Tax on $450,000 |
|---|---|---|---|---|
| Washington Township | 0.5 mills | 30.27 mills | 1.50% | ≈ $6,729/yr |
| Slatington Borough | 9.6 mills | 39.37 mills | 1.94% | ≈ $8,752/yr |
Browse homes in Northern Lehigh
Common questions
Is Northern Lehigh a good school district?
Northern Lehigh scores 51.7 of 100 on the NookLocal Academic Index — #48 of 62 districts serving Bucks, Montgomery, Lehigh, and Berks counties. Components (official 2025 PDE data): PSSA proficiency 35% (state ~45%), Keystone proficiency 46%, graduation rate 95.3% (state 89.1%). The index measures outcomes, not school effectiveness in isolation.
What are property taxes in Northern Lehigh School District?
The district levies 25.9914 mills (2025-26) on Lehigh County's assessment base — an effective school tax of about 1.28% of market value at the current Common Level Ratio. With county and typical municipal millage, the total runs about 1.72% — roughly $7,741 per year on a $450,000 purchase. Exact bills vary by municipality (1.50%–1.94% across 2) and by the home's actual assessment.
What towns are in Northern Lehigh School District?
NookLocal-covered towns served by Northern Lehigh: Slatington. The taxing municipalities are Washington Township, Slatington Borough. A specific home's district is shown on every NookLocal listing.
Northern Lehigh vs. Whitehall-Coplay: how do they compare?
Academically: Northern Lehigh 51.7 vs. Whitehall-Coplay 56.3 on the Academic Index. On taxes: 1.72% vs. 1.66% of home value per year — about $7,741 vs. $7,478 on a $450,000 purchase. Full comparison on the school district value matrix.
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Track Northern Lehigh rates and inventory
New school budgets and the new Common Level Ratio land July 1 — every district's true rate moves. We send the re-rank, plus weekly new listings and price cuts.
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Academic data: PA Department of Education district-level files (2024-25). Tax data: county assessment offices and STEB. Estimates only — verify with the district and county before transacting. Full methodology on the value matrix.