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Gem Prep: Nampa

Public, Charter, Alternative Grades K-12
96th
SchoolDigger Rank ?
of 346 Idaho Alternative Schools
Better than 72% of Idaho alternative schools
Summary

Gem Prep: Nampa is a public charter school in Nampa, ID, serving 529 students in grades K-12 and operating as its own district, Gem Prep: Nampa LLC. This school stands out because it achieves above-average academic results while serving a student body where nearly two-thirds (62.76%) qualify for free or reduced-price lunch, the highest rate among nearby charter schools. Despite this challenge, the school beats the Idaho state averages in all three core subjects on recent ISAT tests, including a 63.4% proficiency rate in English Language Arts compared to the state's 54%.

Gem Prep: Nampa is on a strong upward trajectory, showing consistent improvement over the past three years in every subject. Science has seen the most dramatic rise, jumping from 32.8% proficiency in 2023-2024 to 56% in the latest testing year. The school's progress is especially notable in middle school, where 8th-grade ELA proficiency hits 81.8%, a figure that competes with top regional charters like Compass Public Charter School and Victory Charter School. However, the biggest academic challenge is math, which shows a worrying decline as students get older—proficiency drops from a strong 70.2% in 3rd grade to just 36.8% on the End-of-Course high school exam. While still above the state average, this upper-grade math performance lags significantly behind peer schools like Liberty Charter School, which posts an 81.8% proficiency rate on the same test. A similar pattern appears in high school science, where scores fall below the state average.

There are several positive takeaways for families. Chronic absenteeism is a low 8.0%, which is notably better than the state average of 13.8% and uncommon for a school with a high-poverty population, suggesting a strong and engaging school climate. The school's performance also looks more impressive when compared to its network sibling, Gem Prep: Meridian North, which serves a more affluent area. While the Nampa campus trails in raw scores, it achieves them while serving a much higher-need student body. The primary areas for parents to watch are the rising student-to-teacher ratio (23:1) and the school's focus on addressing the decline in secondary-level math and science to ensure the recent gains continue.

529
Students ?
23.0
Student/teacher ratio ?
62.8%
Free/discounted lunch ?
 310 West Iowa Avenue
       Nampa, ID  83823

(208) 468-2848

District: Gem Prep: Nampa LLC

Racial breakdown:

White:
53.5%
Hispanic:
38.4%
Two or more races:
4.5%
more
 See top rated Idaho elementary schools

 Compare Gem Prep: Nampa to nearby alternative schools!
At a glance
Ranking trend: Declining — 44th percentile in 2024 → 35th in 2026
Strengths
Test scores above the Idaho average (57% vs 47% meeting standards)
Above the Idaho median (72nd percentile)
Worth a look
!Ranking has slipped — down 9 percentile points since 2024
!Some student groups rank well below the school's overall statewide standing
!Large classes — about 23 students per teacher
Students meeting standards (2025-2026) ?
This school57%
District avg57%
Idaho avg47%
Elementary school
96th of 346
Idaho public elementary schools ?
Top 28%▲ up 28 pts since 2024
From bottom 44% (2024) to top 28% (2026)
See the entire ranking list of Idaho Elementary Schools →
SchoolDigger rating ?
Middle school
49th of 174
Idaho public middle schools ?
Top 28%▲ up 33 pts since 2024
From bottom 39% (2024) to top 28% (2026)
See the entire ranking list of Idaho Middle Schools →
SchoolDigger rating ?
High school
79th of 122
Idaho public high schools ?
Bottom 35%▼ down 6 pts since 2024
From bottom 42% (2024) to bottom 35% (2026)
See the entire ranking list of Idaho High Schools →
SchoolDigger rating ?
Statewide rank percentile over time (100 = the top-ranked school in the state; click a legend item to add a student group)
Elementary school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIdaho percentileRating
202668.596 of 34672.3%★★★★☆
202547.9173 of 33748.7%★★☆☆☆
202443.2168 of 30144.2%★★☆☆☆
Middle school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIdaho percentileRating
202666.249 of 17471.8%★★★★☆
202550.075 of 16654.8%★★★☆☆
202435.0100 of 16439.0%★★☆☆☆

White

YearAvg scoreStatewide rankIdaho percentileRating
202448.238 of 8153.1%★★★☆☆
High school ranking
Show full rank history (all student groups)

All Students

YearAvg scoreStatewide rankIdaho percentileRating
202639.179 of 12235.2%★★☆☆☆
202575.226 of 11276.8%★★★★☆
202443.393 of 15941.5%★★☆☆☆

Female

YearAvg scoreStatewide rankIdaho percentileRating
202423.962 of 666.1%☆☆☆☆☆

Hispanic

YearAvg scoreStatewide rankIdaho percentileRating
202434.146 of 5516.4%★☆☆☆☆

Low Socio Economic Status

YearAvg scoreStatewide rankIdaho percentileRating
202448.325 of 3528.6%★★☆☆☆

Male

YearAvg scoreStatewide rankIdaho percentileRating
202453.139 of 6640.9%★★☆☆☆

White

YearAvg scoreStatewide rankIdaho percentileRating
202457.636 of 7853.8%★★★☆☆
How student groups rank statewide ? (each group's percentile vs the same group at other schools — higher is better; the +/- beside each compares the group with this school's overall percentile)
Middle school
White (2024)53rd percentile+14 vs school
High school
White (2024)54th percentile+12 vs school
Male (2024)41st percentile~ school
Low Socio Economic Status (2024)29th percentile-13 vs school
Hispanic (2024)16th percentile-25 vs school
Female (2024)6th percentile-35 vs school
By subject vs Idaho (2025-2026) ?
English Language Arts63%+9 vs state
Science56%+13 vs state
Math51%+8 vs state

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Frequently Asked Questions about Gem Prep: Nampa

In the 2024-25 school year, 529 students attended Gem Prep: Nampa.

Students at Gem Prep: Nampa are 53% White, 38% Hispanic, 5% Two or more races, 2% Asian.

Gem Prep: Nampa ranks 96th of 346 Idaho alternative schools. SchoolDigger rates this school 4 stars out of 5.

Rate Gem Prep: Nampa!



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Latest Idaho data All new data »
2025–26 attendance dataAug 19, 2026
2025–26 ISAT test scoresAug 19, 2026
2024–25 attendance data & graduation ratesJan 19, 2026
2024–25 ISAT test scoresAug 26, 2025


SchoolDigger data sources: National Center for Education Statistics, U.S. Department of Education, the U.S. Census Bureau and the Idaho Department of Education.

IMPORTANT DISCLAIMERS: Not all boundaries are included. We make every effort to ensure that boundaries are up-to-date. But it's important to note that these are approximations and are for general informational purposes only. To verify legal descriptions of boundaries or school locations, contact your local tax assessor's office and/or school district.

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