The top reported proficiency rate is 43% in English language arts. The lowest is 34% in Math.
Original Research by School Decision on Sanborn Elementary School
Sanborn Elementary School, a regular public school in Longmont serving students in pre-kindergarten through fifth grade, sits within the St. Vrain Valley School District. For families considering this school, the first thing to understand is the community it serves. Longmont is a mid-sized Front Range city with a mixed residential, commercial, and industrial character. Its historic agricultural roots have given way to a high-tech and manufacturing economy, anchored by employers such as Seagate Technology, St. Vrain Valley Schools itself, and Longmont United Hospital. The downtown along Main Street has revived with restaurants and craft breweries, and the city is known for its bicycle-friendly infrastructure and extensive parks and open space. The school’s immediate context is a residential area in a city that has seen steady growth, with a mix of older and newer housing stock.
Evaluating academic performance at Sanborn requires looking at the state assessment results that are available. On the Colorado Measures of Academic Success for grades three through five, the school’s overall proficiency across tested subjects places it above the midpoint among the districts in Boulder County. In English language arts, just over two-fifths of students met the state’s proficiency benchmark, a figure that lands above the county median. Math proficiency was lower, with about one-third of students reaching that bar, putting the school below the county median in that subject. Science proficiency, tested only in fifth grade, was roughly comparable to the ELA rate, at just over two-fifths of students. These are the most recent results, and the data did not include a multi-year trend, so it is not possible to say whether these scores represent a new trajectory or a continuation of past performance. The school did have a participation rate above 88 percent in each subject, which means the results reflect the performance of nearly all enrolled students in those tested grades.
The student body is diverse. The school serves a substantial share of students who qualify for free or reduced-price lunch, well over half of the enrollment. Racially, the student population is majority white, with a large Hispanic cohort making up the second-largest group, and small numbers of Asian, two-or-more-race, and American Indian or Alaska Native students. The data did not report counts for students with disabilities or English learners, so parents interested in special education services or English language support should ask the school directly about those programs and staffing.
Sanborn is a neighborhood elementary school, not a charter or magnet. It offers no special academic theme or admission criteria. The grade span is pre-K through fifth, so families looking for middle and high school options will need to consider the district feeder patterns. The school is part of the larger St. Vrain Valley School District, which in 2024 saw voters approve what was publicly reported as the largest capital projects bond in the district’s history, intended to fund school construction and renovations across its many schools and programs. This suggests that facility investment and capacity planning are active district priorities.
For families, this is a school with an academic profile that fits the middle of the range among its county peers. The ELA and science results are solid, while math results are a softer spot that a parent might want to discuss with the school to understand the approach and supports in place. The community context is a growing, economically diverse Front Range city with a strong employment base. The school’s size is on the modest side for an elementary school, which often allows for more personal attention. Parents should verify with the school or district the specific supports for English learners and students with disabilities, as that information was not detailed in the available data. The neighborhood setting and standard elementary program make this a conventional choice for families in the area, rather than a specialty school with a particular focus or curriculum.
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