Oliver Middle

Portland, OR · Grades 6–8

Portland-Vancouver-Hillsboro, OR-WA

Neighborhood

Decoded Rank

All factors combined

2½ stars

OR statewide rating — the rank below is this school's statewide position

Middle 40% decoded

#404 of 669

Oregon schools

#201 · Portland-Vancouver-Hillsboro metro — Oregon side

Achievement Rank

Raw test performance

Bottom 15% achievement

#621 of 669

Oregon schools

#310 · Portland-Vancouver-Hillsboro metro — Oregon side

places from achievement to Decoded Rank

Scores look modest and the school sits below what its context predicts, yet students tend to gain ground over time.

Data confidence:Medium846 students tested 6 years95% participation

Confidence is computed from sample size, year coverage, and participation rate. Higher confidence means the rank shift is stable across years and not driven by a single small cohort.

  • Tested students: total students with valid scores across all reported years.
  • Years of data: number of school years included. More years smooths year-to-year noise.
  • Participation: share of enrolled students who took the assessment. Low participation can bias scores.

What's driving this rank

Decoded Rank: #404 of 669

in Oregon schools

Raw test scores rank this school #621, but after accounting for context, students here outperform what the data would predict. The Decoded Rank places it at #404.

Each component below is scored on a 0–100 within-metro scale. A qualitative band summarizes where the school lands.

  • LowPerforms above what its context predictsCounts for 39% of the rank

    After accounting for income and demographics, does this school beat what the data would predict?

  • Above averageStudents gain ground year over yearCounts for 33% of the rank

    Are kids at this school learning faster than typical for the metro?

  • StrongEquity within the schoolCounts for 17% of the rank

    Are students clustered at similar levels, or split between top and bottom?

  • StrongMost students were testedCounts for 11% of the rank

    Was the rank computed against a representative share of the school's students?

Show the numbersFor the methodology-curious

Each component is converted to a 0–100 within-metro percentile (100 = top of the metro). "Contribution" is the percentile-points the component adds to (or subtracts from) the metro median before the schools are re-ranked into the composite.

Per-component contributions to this school's Decoded Rank composite. Weight is the share each component carries; percentile is the school's within-metro score on that component.
ComponentWeightPercentileContribution
Performs above what its context predicts 39%8-16.4
Students gain ground year over year 33%69+6.3
Equity within the school 17%84+5.7
Most students were tested 11%95+5.0

Note: this school's Alpha-only Decoded Rank is #307 (vs the composite #404). The composite includes cohort progression and other signals that diverge from the context-adjusted Alpha. See methodology.

How the Decoded Rank composite is computed

Why trust this?
  • Public data sources
  • Context-adjusted model
  • Confidence shown
  • Methodology published

This score uses state assessment data, NCES enrollment data, and Census ACS 5-year neighborhood data. The Decoded Rank adjusts for school context — student demographics, ELL/SPED service rates, and the socioeconomic profile of the surrounding tract — and shows how the school performs relative to expectation, not in absolute terms.

SchoolDecoder is one signal, not a verdict. Decoded Rank is a context-adjusted residual, not a causal claim about teaching quality. See full methodology →

Strongest Subjects (Decoded)

Decoded rank first; achievement rank in parentheses. Sorted by decoded rank, best first. Science is shown for reference only and is not part of any rank, tier, or composite.

  1. Science

    2023 proficiency11.7%meeting standard

    Tested gradeGrade 8

    148 tested

    202311.7%

    Shown for reference only — science is not part of any rank.

All Rankings

How this school ranks across the metro, state, and among demographic peers.

ScopeAchievementDecodedShift
OR (669 schools)#621#404
Portland-Vancouver-Hillsboro, OR-WA (330 schools)#310#201
Among similar schools (6 peers)#5#4

Resource context

School inputs, not ranking points

These fields describe the school and surrounding neighborhood. They help readers interpret the page, but this is not a dollar-by-dollar or ratio-by-ratio scorecard and the fields here are not components of the Decoded Rank.

Enrollment
457
Free/reduced-price lunch
68.7%
Student-teacher ratio
22.9:1
Locale
City, large
School type
Regular public school
Enrollment model
Neighborhood attendance area
Neighborhood median income
$72,842ACS tract proxy
Neighborhood poverty
13.3%ACS tract proxy
SES index
32.8
Assessment data year
2023
CCD year
2022
ACS vintage
2020-2024

Within Centennial SD 28J: #6 of 8.Bottom-40% in district. View district

Performance Spread

How students are distributed across the four state-assessment proficiency levels — L1: below standard, L2: approaching, L3: meets (proficient), L4: exceeds. This describes the shape of results at the school, not their height.

Students at this school cluster closely on the proficiency ladder.

  • Level 1 — Below standard56%
  • Level 2 — Approaching standard28%
  • Level 3 — Meets standard (proficient)13%
  • Level 4 — Exceeds standard4%

Performance Spread measures how evenly students are distributed across the L1..L4 proficiency ladder, treating the levels as an ordered scale (L1=1, L2=2, L3=3, L4=4) and weighting each by its student share. A school where most students cluster at one level has a TIGHT spread; a school split between the bottom and top has a WIDE or BIMODAL spread. Bimodal fires only when BOTH tails are non-trivial AND the middle is relatively hollow (pct_L1 ≥ 15, pct_L4 ≥ 25, pct_L2 + pct_L3 ≤ 60). It describes shape — NOT how high the school's scores are. Methodology

Nearby Schools

Sorted by distance. Both rank columns shown so you can compare quickly.

SchoolRatingAchievementDecodedShiftStoryConfidence
Oliver Elementary SchoolRankings coming soon
Parklane Elementary School#281#275High
HOLLA SchoolRankings coming soon
Patrick Lynch Elementary#270#103High
Alder Elementary School#330#146Medium

Similar Schools

Schools with comparable demographics, income, and size. Both rank columns shown for direct comparison.

SchoolRatingAchievementDecodedShiftStoryConfidence
Parklane Elementary School#281#275High
West Park Elementary School#10#4High
Barnes Elementary School#317#288High
Sunset Elementary School#18#26High
Rocky Heights Elementary School#16#10High

Historical Ranks

Year-by-year decoded and achievement ranks. Pandemic-affected years are excluded — we don't interpolate scores across the gap.

YearAchievementDecodedShift
2023#310#201

Note: assessment transitions (where a state changes its test) are footnoted on the methodology page; trends are not computed across breakpoints.

Trajectory

Not used in the Decoded Rank — shown for context only.

Not enough years yet

Trajectory will appear once we have two or more years of rankings for this school.

How this works: we fit a linear trend across the available years of Decoded percentile, then bucket the slope into a direction. Wide confidence intervals (uncertain trends) collapse to Holding steady. See the methodology page for thresholds.

Cohort Progression

Kids who started 3rd grade here in 2018 gained 15 proficiency points by 8th grade — gaining, versus a metro median of about 0/yr.

Based on 14 cohorts across math + ELA.

Learning rate: +3.7 proficiency points/yr (95% CI -2.7 to 10.1)

Medium confidence

Cohort 201520162017201820192023 Slope
ELA · started 6th in 2015
G6
230
—
ELA · started 5th in 2015
G5
188
G6
230
+42.9
ELA · started 4th in 2015
G4
173
G5
176
G6
186
+6.7
ELA · started 3rd in 2015
G3
169
G4
167
G5
185
G6
193
+8.8
ELA · started 3rd in 2016
G3
161
G4
140
G5
175
G6
222
+21.9
ELA · started 3rd in 2017
G3
189
G4
184
G5
214
+12.6
ELA · started 3rd in 2018
G3
166
G4
187
G8
181
+1.7
ELA · started 3rd in 2019
G3
179
G7
175
-0.8
ELA · started 6th in 2023
G6
188
—
Math · started 6th in 2015
G6
186
—
Math · started 5th in 2015
G5
194
G6
183
-11.1
Math · started 4th in 2015
G4
174
G5
150
G6
169
-3.0
Math · started 3rd in 2015
G3
176
G4
171
G5
160
G6
147
-9.6
Math · started 3rd in 2016
G3
169
G4
144
G5
131
G6
155
-5.5
Math · started 3rd in 2017
G3
156
G4
166
G5
186
+14.7
Math · started 3rd in 2018
G3
156
G4
181
G8
145
-4.2
Math · started 3rd in 2019
G3
176
G7
146
-7.7
Math · started 6th in 2023
G6
151
—

How this works: we follow each grade-cohort across years through the school (3rd graders in 2023 are 4th graders in 2024, etc.) and fit a linear slope on a 100–400 proficiency-points scale built from the state assessment's four levels (L1=1, L2=2, L3=3, L4=4, weighted by student share). This is the same construction Stanford SEDA uses (edopportunity.org/methods); it's not student-level tracking — we measure the school's cohort, not individuals. See the methodology page for thresholds.

Evidence & technical detailClick to expand

School Alpha

School Alpha is the residual between actual and expected performance once school context is held constant. It is a context-adjusted estimate, not a causal claim about teaching quality. Its reliability shows up on the page as the confidence label and the rank interval, not as a standalone statistic.

SES index components

SES method
Blended SES index (ACS + FRL)
SES index value
32.8
FRL %
68.7%
ELL %
42.0% · OR ODE At-A-Glance (Ever English Learners)
SPED %
13.0% · OR ODE At-A-Glance
Tract median income (ACS 5-year)
$72,842
Tract poverty rate
13.3%
Tract % bachelor's+
17.0%

What "Decoded Rank" means

Decoded Rank converts School Alpha — the context-adjusted residual — into a parent-facing rank within the metro pool. A higher Decoded Rank than Achievement Rank means the school's raw scores understate its performance once neighborhood and school context are held constant. The reverse means raw scores overstate it. The rank is one signal, not a verdict.

Data & sources

Assessment data
2022–23 school year
NCES CCD vintage
2022
Census ACS 5-year vintage
2020-2024
Last updated
September 4, 2026
Methodology version
0.14.0

Cross-state metro note: This metro spans state lines. Both states use Smarter Balanced assessments with a common scale for grades 3–8 ELA/math. Context-adjusted ranks are computed within each state's testing context, then aggregated across the metro.

Source files (3)

SchoolDecoder publishes context-adjusted residuals, not causal estimates. Decoded Rank is one signal — not a verdict on teaching quality. Read about limitations →