Compiled from official source data by PlainSchools.
5 public K-12 schools in Monmouth Junction from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
According to NCES CCD 2024-25, Monmouth Junction has more public-school enrollment than 57% of the 4,487 US cities in this directory. South Brunswick High School enrolls 51.2% of Monmouth Junction's public-school students. That is enough concentration for one institution to pull the citywide enrollment, staffing, and Resource Index averages toward its own profile. The smaller campuses below should therefore be compared directly rather than inferred from the headline mean; their grade configurations and program footprints can be materially different even inside the same district.
Combined-grade campuses shape the local portfolio
2 of Monmouth Junction's 5 listed schools use NCES's combined or “other” grade-level classification. Citywide averages therefore blend campuses serving unusually broad or nonstandard grade spans with conventional elementary, middle, and high schools. Grade configuration is a first-order comparison here, not a minor label.
One district, but meaningful resource variation
Monmouth Junction's schools share one district authority while their average Resource Investment Index ranks at the 98th percentile among listed cities. Shared governance removes one source of policy variation, but it does not erase campus differences by grade span or enrollment. The 16-point gap between Crossroads South Middle School and Brooks Crossing Elementary School measures the remaining local spread. Use the district-level picture for common budget context, then compare the school components to see whether staffing, counseling, gifted-program reporting, or attendance accounts for each campus's position.
City enrollment
Top 43%
School count
Top 99%
Resource Index average
98th percentile
Teacher staffing
92nd percentile
South Brunswick High School accounts for 51.2% of all Monmouth Junction public-school enrollment
That is an overwhelming concentration, leaving the rest of Monmouth Junction a distant remainder — means Monmouth Junction-wide averages can mask substantial variation outside the largest entity. Grade level: High. The share measures enrollment concentration only; it does not establish how districts allocate programs, capital, or staff. Because it contains a majority of the affected population, enrollment-weighted aggregates will sit closer to this entity's reported fields than to those of smaller peers; an unweighted entity count answers a different question.
Monmouth Junction school enrollment varies 8.9× across entities
Monmouth Junction school enrollment ranges from 301 students (lowest) to 2,666 students (highest), a spread of 2,365 students. That relatively narrow ratio reflects an unusually homogeneous school portfolio for a city this size. Per-school staffing and program breadth can differ sharply at opposite ends of that enrollment range, so the city average should not be treated as a typical campus.
Monmouth Junction operates one school district — a single-district system
Monmouth Junction's listed schools share one district boundary, budget authority, and reporting chain. That makes citywide and districtwide governance easier to compare, but it does not make individual campuses uniform: grade configuration, staffing, programs, and student need can still vary materially within the same school district.
Monmouth Junction student-teacher ratio is 11.5:1 — low (typically associated with smaller schools or per-school staffing investment that often correlates with stronger per-student supports)
student-teacher ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE classroom teachers against total enrollment, push-in specialists, English-language aides, special-education co-teachers, and counselors are not included in most reporting Lower values often correlate with smaller scale and population characteristics rather than higher resource budgets per se.
Most racially and ethnically mixed schools in Monmouth Junction
Ranked by the Simpson student-body diversity index (0-100) from NCES race and ethnicity data, where higher means a more evenly mixed student body. It measures mix, not quality.
What do families ask about schools in Monmouth Junction?
Which Monmouth Junction school has the highest Resource Investment Index? ▼
Crossroads South Middle School has the highest Resource Investment Index among the Monmouth Junction schools in this federal-data comparison at 64/100. The index summarizes reported staffing, counseling, gifted-program, and attendance inputs; it is not an academic rating.
How many schools are in Monmouth Junction, NJ? ▼
Monmouth Junction has 5 public schools with a total enrollment of 5,212 students. Average student-teacher ratio: 11.5:1.
Data from NCES Common Core of Data (CCD) 2024-25 and Civil Rights Data Collection (CRDC) 2021-22. The Resource Investment Index uses reported student-teacher ratio,
counselor access, gifted programs, and attendance; it is not an academic rating. Cities must include at least five schools to be listed. This public-data comparison is for informational purposes:
verify current enrollment, attendance boundaries, and programs with the school district before acting. See the guide to understanding NCES data.
