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Tefft Middle School
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 39 of every 100 students at this school read and write at grade level and about 19 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 10 points since 2023, while math scores are up about 3 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 30% of students here test proficient in math and reading, compared with the roughly 34% typical for Illinois schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Illinois's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Tefft Middle School
Tefft Middle School operates as a moderately sized middle school in Streamwood, Illinois, overseen by SD U-46. Current enrollment sits at 606 students spanning grades 7 through 8. Enrollment runs roughly 31% above the state mean of about 462.
Within SD U-46, which oversees 51 schools and 34,036 students, Tefft Middle School is one campus in the system.
For racial and ethnic makeup, Tefft Middle School shows that 75% of the student body identifies as Hispanic. Other groups include 10% White, 7% Black, 6% Asian. The wider county runs roughly 27% Hispanic, putting the school's mix meaningfully more Hispanic than the area baseline.
Looking at the economic backdrop, The school lists 63 full-time-equivalent teachers, for a student-teacher ratio near 9.7:1. That figure is tighter than the state norm's 13.0:1 average. Around 64% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal.
After controlling for student poverty, Tefft Middle School tracks the demographic baseline. The model predicts 34.5% given the school's FRL share; actual proficiency is 30.1%.
In the area at large, the surrounding county (Cook County) logs that median household earnings sit near $83,498, roughly 43% of adults have completed at least a four-year degree, and roughly 10% of residents live below the federal poverty line. Across Cook County's 1406 public schools (combined enrollment of about 697,934 students), Tefft Middle School is one campus in the mix.
Heritage Elem School is the nearest neighboring public school, about 0.4 miles from this campus. 8 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Tefft Middle School comes 8th of 9 in the immediate cluster, beneath the nearby-schools average of 35.0%.
The school occupies a suburban site.
Trend over the last 7 years. Looking back 7 years, enrollment at Tefft Middle School has edged down 37%, going from 963 students in 2018 to 606 in 2025. Class-load math has tightened: from 18.1:1 in 2018 to 9.7:1 in 2025.
Within the allk12 community for this school, members of the Tefft Middle School community share and discuss open house dates, ride-share offers, and field-trip permission slips. Anyone with firsthand experience at this school can post or comment.
Cook County at a glance
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