Lehigh County
Northwestern 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)
- 20.806 mills
- Effective school tax (of market value)
- 1.03%/yr
- Typical total (county + muni + school)
- 1.28%/yr
- On a $450,000 purchase
- ≈ $5,750/yr
- Median asking (1 active)
- $559,900
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 |
|---|---|---|---|---|
| Lynn Township | 0.2 mills | 24.79 mills | 1.22% | ≈ $5,510/yr |
| Weisenberg Township | 1 mills | 25.59 mills | 1.26% | ≈ $5,688/yr |
| Lowhill Township | 1.56 mills | 26.15 mills | 1.29% | ≈ $5,812/yr |
| Heidelberg Township | 2.1 mills | 26.69 mills | 1.32% | ≈ $5,932/yr |
Common questions
Is Northwestern Lehigh a good school district?
Northwestern Lehigh scores 68.2 of 100 on the NookLocal Academic Index — #20 of 62 districts serving Bucks, Montgomery, Lehigh, and Berks counties. Components (official 2025 PDE data): PSSA proficiency 56% (state ~45%), Keystone proficiency 66%, graduation rate 97.1% (state 89.1%). The index measures outcomes, not school effectiveness in isolation.
What are property taxes in Northwestern Lehigh School District?
The district levies 20.806 mills (2025-26) on Lehigh County's assessment base — an effective school tax of about 1.03% of market value at the current Common Level Ratio. With county and typical municipal millage, the total runs about 1.28% — roughly $5,750 per year on a $450,000 purchase. Exact bills vary by municipality (1.22%–1.32% across 4) and by the home's actual assessment.
Northwestern Lehigh vs. East Penn: how do they compare?
Academically: Northwestern Lehigh 68.2 vs. East Penn 69.1 on the Academic Index. On taxes: 1.28% vs. 1.48% of home value per year — about $5,750 vs. $6,640 on a $450,000 purchase. Full comparison on the school district value matrix.
Free email digest
Track Northwestern 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.
Double opt-in — we only email you after you confirm. Unsubscribe any time. See our Privacy Policy.
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.