School Test Scores and Results: A Parent Guide
A school assessment report may contain several numbers, labels, charts, and comparison groups. The most important first step is to identify what each measure is designed to show.
A scale score, percentile, placement level, stanine, and growth measure do not answer the same question. They should not be treated as interchangeable.
For parents:
One score is not a complete description of a child’s ability, effort, learning needs, or future potential. Read the report alongside classroom work, teacher observations, previous results, language background, approved accommodations, and the conditions under which the assessment was completed.
Optional TestPrep-Online preparation:
When your school permits practice, families can review TestPrep-Online gifted test resources, TestPrep-Online Family Membership and TestPrep-Online MAP practice. Confirm the assessment, grade or level, current pack contents, access terms, and school policy before purchasing.
Start With the Exact Assessment
Before interpreting any result, confirm:
- the complete assessment name;
- the subject or battery;
- the student’s grade and age;
- the testing date or season;
- whether the test was a screener, diagnostic, progress-monitoring assessment, or cognitive-abilities test;
- which norm group or placement table was used;
- whether the report is preliminary or final.
Two reports can use similar terms while calculating them differently.
For example, a percentile on MAP Growth is not directly interchangeable with a percentile on CAT4, i-Ready Inform, Renaissance Star, CogAT, or another assessment.
What Is a Raw Score?
A raw score is usually based on the number of questions answered correctly or the points earned before conversion to another scale.
A raw score alone often has limited meaning because it may not account for:
- question difficulty;
- the student’s age or grade;
- the version of the test;
- the testing season;
- the performance of the comparison group;
- adaptive question selection.
For an adaptive assessment, two students can receive different questions and still receive comparable scale scores.
What Is a Scale Score?
A scale score places performance on a defined measurement scale.
Depending on the assessment, it may be called:
- RIT score;
- Scaled Score;
- Scale Score;
- Standard Age Score;
- standard score;
- composite score.
The name alone does not make two scales comparable.
A scale score may help a school:
- track performance over time;
- compare results within the same assessment and subject;
- estimate current achievement;
- identify possible instructional priorities.
It is usually not the percentage of questions answered correctly.
What Is a Percentile Rank?
A percentile rank compares a student’s result with an appropriate norm group.
A percentile rank of 70 generally means that the student scored as well as or better than approximately 70% of students in that comparison group.
It does not mean that the student answered 70% of the questions correctly.
Percentile interpretation may depend on:
- age or grade;
- subject;
- testing season;
- weeks of instruction;
- national, regional, or local norms;
- the edition or year of the norm study.
Do not compare percentiles without context:
A score can remain on the same measurement scale while its percentile changes after a new norm study is introduced. Confirm which norms were used before comparing reports from different years.
What Is a Stanine?
A stanine places performance into one of nine broad bands.
Stanines are intended to provide a simple overview rather than a highly precise ranking.
A common broad interpretation is:
| Stanine | Broad position |
|---|---|
| 1 | Lowest band |
| 2–3 | Below the broad middle range |
| 4–6 | Broad middle range |
| 7–8 | Above the broad middle range |
| 9 | Highest band |
The exact relationship between stanines, percentiles, and standard scores should be checked in the documentation for the assessment concerned.
A student near the boundary between two stanines should not be treated as fundamentally different from a student just across that boundary.
What Is a Placement Level?
A placement level compares performance with defined grade-level criteria.
It may use labels such as:
- above grade level;
- on grade level;
- early on grade level;
- one grade level below;
- two or more grade levels below;
- intervention;
- benchmark;
- urgent intervention.
These labels depend on the assessment and the school’s reporting configuration.
A placement level should guide a conversation about instruction. It should not become a permanent label for the child.
What Is a Grade Equivalent?
A Grade Equivalent is a norm-based comparison. It does not mean that a student has mastered the complete curriculum of another grade.
For example, a Grade Equivalent associated with Grade 6 does not automatically mean that the student should:
- skip a grade;
- use only Grade 6 materials;
- be expected to succeed on every Grade 6 task;
- receive a particular placement.
Grade Equivalent results are especially easy to overinterpret because they resemble school-grade labels.
Achievement and Growth Are Different
Achievement describes where performance is measured at a particular point in time.
Growth describes change across a defined period or compares progress with an expected or peer growth pattern.
A student can show:
- high achievement and high growth;
- high achievement and lower recent growth;
- lower achievement and strong growth;
- lower achievement and lower growth.
Each pattern may lead to a different educational conversation.
What Is a Growth Measure?
Growth may be reported as:
- change in a scale score;
- Student Growth Percentile;
- Typical Growth;
- Stretch Growth;
- progress toward a local goal;
- a projected end-of-year result.
Growth measures should be interpreted with attention to:
- the time between tests;
- whether the same subject and compatible scale were used;
- testing conditions;
- the student’s starting score;
- measurement uncertainty;
- the number of valid data points.
A small score change is not always educationally meaningful.
What Are Confidence Bands or Score Ranges?
Assessment results are estimates rather than perfectly exact measurements.
Some reports show a confidence band, standard error, or likely score range. This indicates that the student’s underlying achievement or ability may reasonably fall within a range around the reported score.
When two scores have overlapping confidence bands, the apparent difference may be less certain than the point scores suggest.
Why Domain and Battery Results Matter
An overall score can conceal an uneven profile.
A student may have:
- stronger reading comprehension and weaker phonics;
- stronger geometry and weaker number operations;
- stronger verbal reasoning and weaker spatial reasoning;
- stronger nonverbal reasoning and weaker language-dependent performance.
Domain and battery results can help identify useful questions for the teacher. They should not be converted into rigid labels about how a child can or cannot learn.
How to Read a Report in Order
A practical sequence is:
- Confirm the test, subject, grade, and date.
- Identify the main scale score or standard score.
- Find the comparison measure, such as percentile or stanine.
- Review placement or benchmark labels.
- Examine growth information separately from achievement.
- Look at domain or battery patterns.
- Check confidence bands or score ranges.
- Compare the report with classroom evidence.
- Ask how the school will use the result.
Assessment-Specific Score Guides
Use the guide that matches the report:
- MAP Growth scores and RIT reports
- CAT4 scores, SAS, percentiles, and stanines
- i-Ready Inform scores and placement levels
- Renaissance Star scores and growth measures
- Canadian CCAT-7 scores and gifted screening
- CogAT scores and gifted screening
- OLSAT scores and school decisions
- NNAT scores and nonverbal screening
Questions to Ask the School
Consider asking:
- What is the exact name and version of the assessment?
- Which score should I focus on first?
- Which norm group or placement table was used?
- Is the percentile based on age, grade, or testing season?
- Does the report show achievement, growth, or both?
- Are the domain results reliable enough for instructional decisions?
- Does this result match classroom performance?
- Could language, illness, fatigue, anxiety, or testing conditions have affected the result?
- Will the school repeat the assessment?
- What support, intervention, or enrichment is planned?
- Is another assessment required before a major decision is made?
When Preparation May Be Relevant
When the school permits practice, families can review TestPrep-Online gifted test resources or compare options with TestPrep-Online Family Membership. Confirm the grade or level, current pack contents, access terms, and school policy before purchasing.
A score report may lead a family to consider additional learning or familiarisation. The first response should be to understand the school’s interpretation and instructional plan.
Preparation should not be presented as a required purchase or as a way to guarantee a future score.
For families managing more than one assessment or child, our Family Membership guide explains what to check before choosing a broad preparation plan.
More school assessment guides
Compare MAP Growth, Renaissance Star, i-Ready, CAT4 and Canadian CCAT. Gifted screening is covered in Gifted Children Tests and Gifted Tests Comparison. Interpret reports with School Test Scores and Results. Optional practice: TestPrep-Online gifted test resources, TestPrep-Online Family Membership and TestPrep-Online MAP practice.