ISEE Lower vs Middle vs Upper Level: A Parent’s Guide
Written by Eric Kim, Founder of Matter
Last updated May 16, 2026
Introduction
Most parents of independent-school applicants discover the ISEE has more than one version about ten minutes into their first Google search. This guide will explain the differences in a clear, easily understandable manner. Below: which level your child takes, how the three levels actually differ in length and content, and a side-by-side table for an easy visual comparison.
If you want the full picture of what the ISEE is and how schools use it, start at our ISEE Resource Hub. For section-by-section breakdowns of what each part of the test measures, see What Each ISEE Section Actually Measures.
Which level your child takes
Per the Educational Records Bureau, the ISEE is offered in four levels, determined by the student’s current grade, not the grade they’re applying to.
Level
Current grade
Applying to
Primary
1-3
2-4
Lower
4-5
5-6
Middle
6-7
7-8
Upper
8-11
9-12
Source: ERB ISEE Overview
This guide focuses on the Lower, Middle, and Upper levels. These three share the standard four-section + essay structure. The Primary Level is structurally a different exam (no essay, shorter duration, different sections).
What’s the same across levels
Five sections in fixed order. Verbal Reasoning → Quantitative Reasoning → Reading Comprehension → Mathematics Achievement → Essay. The order is identical at every level. Two scheduled breaks. One after Quantitative Reasoning, one after Mathematics Achievement. Each is 5 to 10 minutes. Multiple-choice for the first four sections. The essay is the only written portion. The essay is unscored by ERB. However, a verbatim copy is sent to every school the family designates as a recipient of the ISEE scores. No guessing penalty. Every blank is treated like an incorrect answer; students should never leave a question unanswered. Same scoring scale. Every section is reported as a scaled score (760 to 940), a percentile rank (1 to 99), and a stanine (1 to 9). Read our full guide to ISEE score reports. Same format options. All three levels are available in both paper-based and computer-based formats. Content and timing are identical across formats; the test is linear, not adaptive.
Lower Level: entering Grades 5 and 6
The Lower Level is the ISEE for students currently in 4th or 5th grade applying to 5th or 6th grade.
Section
Questions
Time
Verbal Reasoning
34
20 min
Quantitative Reasoning
38
35 min
Reading Comprehension
25
25 min
Mathematics Achievement
30
30 min
Essay
1 prompt
30 min
Total testing time: 2 hours 20 minutes.
What’s distinctive at Lower Level:
Shortest of the three levels by 20 minutes.
Quantitative Reasoning is word-problems only at this level. Quantitative comparison questions appear starting at Middle Level.
The most advanced topics tested in Mathematics Achievement are ratios, proportions, basic algebraic expressions, and probability.
Reading Comprehension consists of 5 passages with 5 questions each.
Essay prompts are descriptive and personal. ERB’s published sample themes for the Lower Level include describing a meaningful personal experience, what the student would do to make the world better, and a profile of an important person in their life. ERB’s guidance emphasizes including details and writing legibly, not constructing arguments.
Middle Level: entering Grades 7 and 8
The Middle Level is the ISEE for students currently in 6th or 7th grade applying to 7th or 8th grade.
Section
Questions
Time
Verbal Reasoning
40
20 min
Quantitative Reasoning
37
35 min
Reading Comprehension
36
35 min
Mathematics Achievement
47
40 min
Essay
1 prompt
30 min
Total testing time: 2 hours 40 minutes.
What’s distinctive at Middle Level:
Quantitative Reasoning adds a second question type: quantitative comparisons. Students are asked to compare two quantities without necessarily calculating either.
Mathematics Achievement reaches more complex algebra including multiplying polynomials, function notation, simple and compound interest, and graphing.
Reading Comprehension expands to 6 passages with 6 questions each.
Vocabulary load increases sharply. ERB’s Middle level synonym lists draw from a more advanced lexicon than Lower Level lists. Middle Level vocabulary includes words like prosecute, while Lower Level lists feature words like fracture. This type of vocabulary depth is best built through long-term reading rather than quick memorization.
Essay prompts shift toward problem-solving and self-projection. ERB’s published Middle Level sample themes include proposing a single change to the student’s school and how it would benefit other students, describing an ideal future career, and identifying a global problem and how the student would address it. What separates a strong essay at this level is a clear position, sound reasoning, and a real essay structure (introduction, body, conclusion).
Upper Level: entering Grades 9-12
The Upper Level is the ISEE for students currently in 8th, 9th, 10th, or 11th grade applying to 9th through 12th grade.
Section
Questions
Time
Verbal Reasoning
40
20 min
Quantitative Reasoning
37
35 min
Reading Comprehension
36
35 min
Mathematics Achievement
47
40 min
Essay
1 prompt
30 min
Total testing time: 2 hours 40 minutes.
What’s distinctive at Upper Level:
Greater difficulty than Middle Level. The Upper Level isn’t longer than the Middle Level by question count or section time. The difference is mainly in difficulty.
Mathematics Achievement extends through Algebra II and into early Pre-Calculus territory.
Vocabulary jumps another order of magnitude. The Upper Level synonym lists draw from a more advanced lexicon still. Example Upper Level words include acquiesce, several reading levels beyond the typical Middle Level vocabulary like prosecute.
Upper Level includes two-blank sentence completion questions. Students must determine how pairs of words work together within a sentence, making precision of vocabulary, attention to context, and logical reasoning even more important.
Essay prompts trend toward abstraction and reflection. ERB’s published Upper Level sample themes include reflecting on a book that made a meaningful impression, hypothetical commitments such as community service and the reasoning behind the choice, and defining what makes a person genuinely successful and the qualities that lead to that conclusion.
Side-by-side comparison
Lower
Middle
Upper
Current grade
4 to 5
6 to 7
8 to 11
Applying to grades
5 to 6
7 to 8
9 to 12
Total testing time
2 hr 20 min
2 hr 40 min
2 hr 40 min
Verbal Reasoning
34 questions / 20 min
40 questions / 20 min
40 questions / 20 min
Quantitative Reasoning
38 questions / 35 min (word problems only)
37 questions / 35 min (adds quantitative comparisons)
37 questions / 35 min (adds quantitative comparisons)
Reading Comprehension
25 questions / 25 min (5 passages)
36 questions / 35 min (6 passages)
36 questions / 35 min (6 passages)
Mathematics Achievement
30 questions / 30 min (through ratios, proportions, basic algebra)
47 questions / 40 min (through advanced algebra)
47 questions / 40 min (through Algebra II + early Pre-Calc)
Essay
1 prompt / 30 min (descriptive themes)
1 prompt / 30 min (problem-solving themes)
1 prompt / 30 min (reflective/abstract themes)