The top reported proficiency rate is 70% in English language arts. The lowest is 64% in Math.
Original Research by School Decision on Gmg Elementary School
GMG Elementary School is a regular public school serving preschool through sixth grade in Green Mountain, Iowa, a very small, unincorporated rural community in Marshall County with an estimated population of fewer than one hundred. The school is part of the GMG Community School District, which was formed by the merger of the Garwin and Green Mountain districts.
The student body of roughly 260 is overwhelmingly white, with small numbers of Hispanic, black, multiracial, and Native American students. About half of students qualify for free or reduced-price lunch, reflecting the economic profile of a community where most employed residents commute to the nearby county seat of Marshalltown or beyond for work in manufacturing, health care, and retail. The local economy offers very few jobs within the community itself, and the housing market is inexpensive relative to state and national benchmarks, with property values that have recently declined.
The school's performance on the Iowa Statewide Assessment of Student Progress (ISASP) shows a mixed picture. In English language arts, slightly above seven in ten students scored proficient, and in science, a similar share met the bar. In math, the proficiency rate was lower, at around six in ten students. Because this is the first year of data available in a multi-year format, it is not possible to see a trend. When compared with other districts in Marshall County, the school's overall proficiency across tested subjects falls above the midpoint of the four-district field. A parent may want to ask the school about support for students who are not yet at proficiency in math, as that is the area where performance is softer.
The school serves grades that are not tested for graduation rate purposes, so no four-year graduation data is available. Data on special education and English learner populations was not reported in the available records, and no chronic absenteeism rate was provided. A parent interested in those supports should inquire directly with the school.
The community context is notable for its size and trajectory. Green Mountain is unincorporated, governed by the Marshall County Board of Supervisors, and its population has been declining. The most significant infrastructure development in the village is a long-planned sanitary sewer system, with bids due in mid-2025. The school and a community center are the primary civic anchors; there is no downtown, no public library, no parks system, and no public transit. The built environment consists of scattered single-family homes along rural roads, with a grain elevator operated by a cooperative as the only notable commercial presence. Walkability is very limited, and nearly all workers drive alone to jobs outside the community.
The district itself had no recent major changes of lasting impact identified in public records. GMG Elementary School serves a small, stable population of families in a rural area where the school is a central institution. The academic data shows a school performing around the middle of its county peers, with a strength in English language arts and science and a weaker spot in math. For a family already living in or moving to this part of rural central Iowa, the school offers a straightforward elementary experience in a very small-town setting, with the understanding that most economic and commercial life lies a short drive away in Marshalltown.
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