The ACT exam tests college readiness across four primary sections: English, Math, Reading, and Science. Determining the hardest section depends on individual strengths, but data-driven analyses consistently highlight patterns in relative difficulty.
Understanding ACT Section Challenges
Each ACT section presents unique hurdles. English focuses on grammar and rhetoric over 75 questions in 45 minutes. Math covers pre-algebra to trigonometry with 60 questions in 60 minutes. Reading involves comprehending passages in 35 minutes for 40 questions. Science requires data interpretation across 40 questions in just 35 minutes.
Relative difficulty varies by test form. Researchers use cumulative distribution functions (CDFs) to compare versions, ranking them from least to most difficult within sections. Composite scores average section difficulties, aiding predictions of score curves.
Statistical Breakdown of Section Difficulties
PrepSharp’s analysis ranks test forms by quintiles: least difficult (1), average (3), most difficult (5). English versions like F11 score 9.64 (very hard), while Math peaks at B04 with 9.54. Science often ranks highest in composite toughness, as in D06 (5 English, 5 Science).
| Test Form | English | Math | Reading | Science | Composite |
|---|---|---|---|---|---|
| D06 | 5 | 4 | 5 | 3 | 4.25 |
| F11 | 9.64 | 9.23 | – | – | – |
| B04 | – | 9.54 | – | – | – |
This table excerpts top difficult forms. Full rankings show Science frequently demands more correct answers for equivalent percentiles compared to median tests.
Why Science Often Tops the Difficulty Charts
The Science section’s 35-minute limit for 40 questions creates intense time pressure. Passages feature conflicting viewpoints, graphs, and tables, mimicking research summaries. Difficulty escalates in a ‘sawtooth’ pattern: passages grow harder, questions within them from easy to tough.
Unlike pure science knowledge tests, it assesses reasoning. Students strong in data analysis excel, but the speed factor trips many. Compass Prep’s heat maps visualize this, showing clustered hard items late in passages.
Math: Power and Pacing Demands
ACT Math ramps up steadily, with later questions requiring minutes each. Covering geometry, trig, logs—beyond basic algebra—it rewards ‘power’ (solving tough problems) over speed alone. One minute per question averages out, but skips on hard ends hurt scores disproportionately.
Compared to SAT, ACT Math includes more advanced topics, making it ‘harder’ for some despite similar question counts.
English: Mixed Bag of Grammar Traps
English scatters difficulties like ‘candy-colored’ questions: easy greens mix with tough reds across five passages. No steady climb; transitions between thirds show minor shifts. Variable questions per passage (around 15) demand consistent vigilance for rhetoric, punctuation, and style.
Reading: Comprehension Under Pressure
Four passages (prose fiction, social sciences, humanities, natural sciences) in 35 minutes test speed-reading and inference. Questions probe main ideas, details, and author intent. Steady difficulty, but dense text challenges slow readers.
Enhanced ACT: Changes in Pacing and Difficulty
The Enhanced ACT shortens core sections: English 50 questions/50 minutes, Math 45/45, Reading 36/36, with optional Science 40/40. Total 131 questions allow slightly more time per item, potentially easing pace without altering core challenges.
| Section | Regular ACT (Questions/Time) | Enhanced ACT (Questions/Time) |
|---|---|---|
| English | 75/45 min | 50/50 min |
| Math | 60/60 min | 45/45 min |
| Reading | 40/35 min | 36/36 min |
| Science | 40/35 min | 40/40 min (opt) |
Some view Enhanced as less rigorous, but content depth remains.
Student Perspectives on Section Toughness
- Science: Cited for speed and data overload; strong readers thrive.
- Math: Advanced topics intimidate; practice builds power.
- English/Reading: Grammar nuances and passage density vary by skill.
Bottom-third to average jumps are easier on ACT than SAT generally.
Strategies to Tackle the Hardest Sections
For Science: Prioritize easy questions first; skim passages, dive into data. Practice timing: aim 5 minutes per passage.
For Math: Master fundamentals; skip and return to end-game problems. Balance speed/power via heat map awareness.
General Tips:
- Use official practice tests to map personal weaknesses.
- Track difficulty ratings for upcoming forms via tools like PrepSharp.
- Simulate test day: full-length, timed.
Choosing Test Forms Wisely
Select dates with balanced or easier sections if possible. PrepSharp lists top hard composites like D06; avoid if prepping Science heavily.
FAQs
Which ACT section is hardest?
Science often ranks toughest due to pacing and data complexity, per analyses.
Is ACT Math harder than SAT Math?
ACT covers more advanced topics like trig/logs, but similar question volume; time per question is tighter.
How does Enhanced ACT compare in difficulty?
Fewer questions with proportional time may feel easier paced.
Can I predict test difficulty?
Yes, via CDF-based ratings comparing to median forms.
What if Science is my weak spot?
Focus on reasoning drills; strong reading helps immensely.
Building a Personalized Prep Plan
Assess via diagnostics: score practice sections, note percentiles against curves. Allocate time inversely to strengths—double down on Science if lagging. Track progress with composite goals (average sections).
Incorporate heat maps: visualize item difficulties to strategize bubbling. For 36+ aims, master top-quartile skills per section.
References
- PrepSharp ACT Test Relative Difficulty — David Reynolds, Ross Thompson, et al. 2023-04. https://www.prepsharp.com/ACT_Difficulty_Comparisons.pdf
- Mapping the ACT: Difficulty Meets Strategy — Compass Prep. N/A. https://www.compassprep.com/mapping-the-act/
- New Enhanced ACT Exam: Key Changes & Expert Insights — Collegewise. N/A. https://collegewise.com/blog/new-enhanced-act-exam-changes-guide
- Is the Enhanced ACT® Harder Than the Regular ACT? — C2 Education. N/A. https://www.c2educate.com/is-the-enhanced-act-harder-than-the-regular-act/
- Is the ACT Hard? 4 Factors That Make It Tricky — BestColleges. N/A. https://www.bestcolleges.com/test-prep/act/is-act-hard/
- ACT® Difficulty Ratings — PrepSharp. N/A. https://www.prepsharp.com/act-difficulty-ratings
- Integrated M.A. in Applied Linguistics, University of Hyderabad
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Sneha is a relationships and lifestyle writer with a strong foundation in applied linguistics and certified training in relationship coaching. She brings over five years of writing experience to theskillvault, crafting thoughtful, research-driven content that empowers readers to build healthier relationships, boost emotional well-being, and embrace holistic living. Her writing and insights reflect the belief that beauty, happiness, and wellness…