- NORTH MERCER ELEM. — Grades PK–6 · 84 students
- MERCER HIGH — Grades 7–12 · 58 students
| Metric | North Mercer County R-III School District | National Average | Comparison |
|---|---|---|---|
| Student Enrollment | 145 | 3,700 | ↓ Smaller than avg |
| Number of Schools | 2 | 6 | Varies by district |
| Per-Pupil Spending | $11,000/yr (est.) | $13,700/yr | State avg est. |
| District Type | Supervisory Mercer | Public District | — |
| Overall Rating | 9/10 — Excellent | — | Above average |
| District | Rating | Percentile | Students |
|---|---|---|---|
| North Mercer County R-III School District (this district) | 9/10 | 90th | 145 |
| Union R-XI School District | 9/10 | 82nd | 3,159 |
| North St. Francis County R-I School District | 2/10 | 19th | 2,757 |
| Sullivan C-2 School District | 6/10 | 58th | 2,114 |
🔢 Show the math behind this rating
Ranked against 444 rated districts in MO → 90th percentile → 9/10.
Source: U.S. Dept. of Education EDFacts, 2021–22 school year. Full methodology →
About North Mercer County R-III School District
Zip code 64661 in Mercer, Missouri is served by North Mercer County R-III School District for public school enrollment. The district covers grades K–12. This page provides a data-driven overview of North Mercer County R-III School District’s funding levels, size, rating, and what families should know before enrolling or making a housing decision in this area.
Understanding the 9/10 Rating
With a rating of 9/10 (excellent), North Mercer County R-III School District ranks among Missouri’s top-tier-rated school systems. Our ratings are based on state assessment results — the share of students scoring proficient or above in reading and math, as reported in the U.S. Department of Education’s EDFacts collection (2021–22 school year). We average each district’s reading and math proficiency, then rank it against other districts in the same state to produce a 1–10 score. Because Missouri is compared only against itself, the rating reflects how this district performs relative to its in-state peers.
⚠️ Small-district caveat. North Mercer County R-III School District enrolls 145 students. A percentile rank drawn from so few test-takers is statistically unstable — it can move several points from one year to the next on normal variation alone, and a single class of students can swing it. Treat this rating as a rough signal rather than a precise ranking, and look at the school-level detail below before drawing conclusions.
North Mercer County R-III School District falls near the middle of Missouri on state assessment results, with reading and math proficiency close to the state median. Average-rated districts provide foundational public education, and many families find they deliver solid day-to-day learning — particularly when parents stay engaged. If you're considering this area, look beyond the overall rating: visit schools, talk to current parents, and research the specific school your child would attend. Average districts often have individual schools that significantly outperform the district mean.
Enrollment for Families in Zip Code 64661
Children in zip code 64661 are assigned to North Mercer County R-III School District for public school enrollment, covering grades K–12. School assignments are address-specific — your elementary, middle, and high school placements depend on your exact street address within zip code 64661, not just your neighborhood. Two homes on opposite ends of the same zip code may be assigned to different schools within the same district.
To confirm your specific school assignments, contact North Mercer County R-III School District at the number listed on the district website or visit the district’s official website. Typical enrollment documents include proof of address, a government-issued birth certificate, immunization records, and any existing school records or IEP documentation. If your child has an IEP or 504 plan, bring that documentation to enrollment — Missouri districts are required to continue services within a reasonable period. Fall enrollment windows typically open in late winter or early spring; contact the district for exact dates and required steps.
School Districts and Home Values in Mercer
For families considering a purchase in the Mercer area, district assignment matters financially. Because North Mercer County R-III School District serves zip code 64661, district assignment still factors into home-pricing comparisons between zip code 64661 and neighboring areas. District boundaries are address-specific — verify the exact district assignment for any property you’re seriously considering rather than assuming based on the neighborhood. A single block can place two adjacent homes in different districts with different ratings and different annual property tax implications.
Use the property tax estimator on this page to calculate estimated annual tax obligations based on your target purchase price. In Missouri, property taxes are a primary funding source for public schools — your tax payments directly support North Mercer County R-III School District programs and staff. Understanding both district quality and the associated tax burden is essential financial due diligence before committing to any home in zip code 64661.
Data Sources and Accuracy
All district information on this page is sourced from the NCES Common Core of Data (CCD) 2024–2025, the U.S. Department of Education’s annual census of all public school districts — the same dataset used by researchers, journalists, and policymakers to analyze American public education. District boundaries, school assignments, phone numbers, and per-pupil expenditure figures are updated annually when NCES publishes new data, typically in spring. Always verify your specific school assignment and enrollment requirements directly with North Mercer County R-III School District before making any housing or enrollment decision based on zip code 64661 data.