Grand Lakes J H, Tomball TX - Test Scores & Data

Original Research by School Decision on Grand Lakes J H

Grand Lakes Junior High serves seventh and eighth graders in Tomball, an area on the northwest edge of Harris County that blends historic small-town roots with rapid suburban growth. The school sits on the outer edges of Tomball proper, in a zip code where home values are moderate for the metro area and rental costs remain relatively stable. Tomball ISD has invested substantially in school capacity through two bond measures in the past few years, and Grand Lakes is part of that expanding system.

The school's test results show a mixed picture across its two grades. Eighth graders perform at high levels in reading and math, with strong proficiency. Seventh grade math proficiency is considerably lower, sitting near a third of students meeting the standard, which represents a sharp drop from the eighth-grade cohort. Reading in seventh grade runs higher, in the mid-70s. In eighth-grade science, about three-quarters of students reach proficiency. Social studies at the eighth-grade level poses the most challenge across the school, with less than half the tested population meeting grade-level expectations. The data snapshot provides a single year, so trends over time are not visible, but the performance gap between seventh and eighth grade math is pronounced and a parent may want to look into what instructional changes happen between the two grade levels and whether seventh graders receive targeted support.

Enrollment is substantial for a middle school, with roughly even splits between the two grade levels. The student body is racially diverse: roughly equal shares of white and Hispanic students, with smaller shares of Asian and Black students. About a third of the student body qualifies for free or reduced-price lunch, reflecting moderate economic diversity. The school data does not specify special education enrollment or English learner counts, which limits visibility into support services.

Relative to other districts in Harris County, Grand Lakes ranks in the top quartile for overall proficiency when averaging across tested subjects and grades, a strength that reflects the school's solid eighth-grade performance pulling the average up despite the seventh-grade math challenge.

Tomball itself is undergoing steady growth. The city has added substantial residential capacity in recent years, with new neighborhoods and master-planned communities continuing to open around the Tomball-Magnolia area. The housing market shows modest price declines and stable rental activity. The town centers on Old Town's historic downtown, a genuinely walkable district with early 20th-century storefronts and a restored railroad depot, though most residents rely on cars for daily commutes. Tomball ISD has managed property tax rates downward over the past few years and has approved major facility upgrades, including a replacement intermediate school funded through the most recent bond, which suggests ongoing investment in the school system.

For a family considering this school, the key variable is whether seventh graders in math receive intervention or are tracked separately, and what accounts for the performance jump by eighth grade. English language arts and science proficiency appear steady. The school's size and diversity match what you would find in a growing suburban ring around a major metro area, and the district appears to be making sustained infrastructure investments.

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Academic performance

How students perform on state tests, by grade, set against the district.

Math

Grade 734%

School 34% · District 32% · ▲ 2 pts above district

▲ 7 pts above state median · ▲ 7 pts above county median

Grade 884%

School 84% · District 76% · ▲ 8 pts above district

▲ 42 pts above state median · ▲ 41 pts above county median

English language arts

Grade 774%

School 74% · District 73% · ▲ 1 pts above district

▲ 25 pts above state median · ▲ 26 pts above county median

Grade 878%

School 78% · District 76% · ▲ 2 pts above district

▲ 23 pts above state median · ▲ 24 pts above county median

Science

Grade 874%

School 74% · District 71% · ▲ 3 pts above district

▲ 32 pts above state median · ▲ 31 pts above county median

Social studies

Grade 849%

School 49% · District 50% · ▼ 1 pts below district

▲ 25 pts above state median · ▲ 27 pts above county median

This schoolTOMBALL ISD, same grade

Graduation rate (ACGR) reflects the federally published Adjusted Cohort Graduation Rate for the most recent year available. We refresh this data annually at the close of each academic year in June. The federal source publishes a banded rate (for example, "90-94%") instead of an exact number for cohorts small enough to risk identifying individual students. The state distribution chart, where shown, plots every school in the state with a published rate or band; schools whose rate is federally suppressed are excluded. Where the federal source publishes a band rather than an exact rate, the school is placed within its band using a stable, ID-derived offset, so its position is consistent across visits.

Proficiency by household income

English language arts

Grade 7Lower-income61%Higher-income79%18 pp gap

Grade 8Lower-income60%Higher-income86%26 pp gap

Mathematics

Grade 7Lower-income30%Higher-income37%7 pp gap

Grade 8Lower-income76%Higher-income88%12 pp gap