Achievable logo
Achievable blue logo on white background
  • ACT Insights
  • /Boost test scores with strategic prep and error analysis

Boost test scores with strategic prep and error analysis

Learn proven prep strategies, tactical error analysis, and real test simulation for exam breakthroughs.
Randee Schneeberg's profile picture
Randee Schneeberg
09 Jan 2026, 6 min read
Achievable blue logo on white background
Digital illustration of a crumpled stack of paper next to a test sheet with a paper airplane flying into a symbol with a trophy
Achievable
Achievable blue logo on white background
  • ACT Insights
  • /Boost test scores with strategic prep and error analysis
Randee Schneeberg's profile picture
Insights from Randee Schneeberg
Founder, Jettprep

Randee Schneeberg is the founder of Jettprep, a tutoring organization that has delivered individualized, one-on-one instruction to diverse learners since 1999. While working as an adjunct pre-calculus professor, Randee recognized that many students felt overwhelmed by their coursework, which led her to create the student-centered approach that defines Jettprep today. Over the years, Jettprep has evolved into an industry leader in relationship-based tutoring, offering both in-person and virtual instruction to students worldwide. Through her work, Randee has mastered the art of impactful and personalized teaching, consistently helping students reach their highest potential.

Connect:

How to make the most of ACT/SAT practice exams and error logs

Preparing for the ACT or SAT can feel like a major undertaking, especially when your practice test scores seem stuck. Many students take full-length exams repeatedly without seeing improvement, not realizing that how they practice matters just as much as how much they study. By using ACT and SAT practice tests strategically and learning from mistakes through error logs, students can turn frustration into measurable score gains.

Below are research-backed ACT and SAT study strategies to help you practice smarter, identify patterns, and make real progress.


Key insights

  • Treat assessments as final checkpoints, rather than starting points. Develop foundational skills before tackling full-length practice tests.
  • Target your weakest areas first with sectional practice to boost both skills and confidence.
  • Approach every mistake as an opportunity to learn and improve. Examining your errors helps prevent small misunderstandings from turning into larger gaps.
  • Recreate real test conditions to reduce nerves and improve focus.
  • Quality of study trumps quantity. Shape your study habits to align with the test’s format for optimal results.

Boosting your ACT or SAT score takes more than finishing practice questions. True improvement comes from spotting, understanding, and correcting your error patterns. Juniors aiming to raise their scores often feel stuck making the same mistakes. Instead of treating these as failures, see them as data points that can guide smarter preparation.

Standardized test scores continue to play a significant role in college admissions and scholarship decisions. While that pressure is real, it also means that focused, strategic effort can pay off. High-performing students don’t just follow routines: they analyze their thinking, adjust their strategies, and treat every error as an opportunity to improve.


Laying the groundwork: Foundational prep comes first

Strong ACT and SAT preparation begins with mastering core skills, rather than jumping straight into timed practice tests. Many students rush into a diagnostic exam to “see where they stand,” but early testing can do more harm than good. Without foundational knowledge, practice tests often highlight confusion rather than providing useful direction.

Research on the testing effect indicates that practice exams enhance retention only when students have a solid understanding of the material. Taking full-length tests too early mainly exposes unfamiliarity, making it harder to know what to study next.

Foundational prep means more than reviewing notes. It includes:

  • Working through essential math, grammar, and reading skills
  • Fully understanding key concepts, not memorizing shortcuts
  • Learning the structure and question types of the ACT and SAT

Successful students break each test section into topics and address weak areas one at a time. Along the way, they experiment with effective study methods (active reading, practice problems, concept mapping, or teacher feedback) to see what works best.

Key takeaway: Avoid measuring performance before mastering content. When you build a strong base first, ACT and SAT practice tests provide clarity instead of frustration.


Strategic practice: Focus on one section at a time

One of the most effective ways to improve ACT and SAT scores is sectional practice. Rather than tackling everything at once, focus your study time on the section or question type that gives you the most trouble.

For example, if SAT reading questions or ACT science data analysis consistently cause errors, dedicate practice sessions to those areas alone. Start without a time limit so you can experiment with strategies and fully understand the reasoning behind each question.

Sectional practice helps you quickly identify patterns, such as:

  • Grammar mistakes tied to one recurring rule
  • Math errors clustered around a single concept
  • Reading mistakes caused by misinterpreting question stems

Once accuracy improves, add timed drills for that section. This gradual shift helps you build speed without sacrificing understanding.

For effective sectional practice:

  • Alternate between untimed skill-building and timed drills
  • Track accuracy, error types, and time per question
  • Use results to plan focused review sessions

This approach ensures you fix weaknesses before they impact your full-length ACT or SAT practice exams.


Learning from mistakes: The power of error logs

Taking practice tests alone doesn’t raise scores: learning from mistakes does. An ACT or SAT error log is one of the most powerful tools students can use to improve efficiently.

After each practice set or test, record:

  • The question you missed
  • Your chosen answer and the correct answer
  • The reason for the mistake

Common categories include content gaps, misreading the question, rushing, or strategy errors. Students who regularly analyze their mistakes are far less likely to repeat them.

To get the most out of an error log:

  • Rewrite missed questions in your own words
  • Walk through the correct solution step by step
  • Note patterns you see across multiple practice sessions

For example, a student might realize that most reading errors come from overlooking specific keywords or that math mistakes increase under time pressure. These insights enable targeted improvement rather than guessing what to study next.

Key takeaway: Treat mistakes as information, not failures. Error logs turn missed questions into long-term gains.


Simulate real test conditions

Knowing the material isn’t enough: you also need to feel comfortable on test day. Simulating real ACT and SAT testing conditions helps reduce anxiety, improve pacing, and build stamina.

When taking full-length practice tests:

  • Follow official time limits and break schedules
  • Use real answer sheets when possible
  • Eliminate distractions like phones and notes

Timing matters, too. Since both exams are given in the morning, schedule some practice tests during that window. Training your brain to perform at that time improves focus and consistency.

For realistic simulation:

  • Practice at the same time of day as your exam
  • Stick to strict timing for each section
  • Work in a quiet, test-like environment

The more familiar the experience feels, the more confident you’ll be on test day.


Build a mindset and plan unique to standardized tests

ACT and SAT preparation is different from studying for school exams. These tests measure specific skills under tight time constraints and follow predictable formats. Your study plan should reflect that reality.

A strong ACT or SAT study plan includes four stages:

  1. Orientation and diagnostics: Take a diagnostic only after reviewing the basics to get an accurate baseline.
  2. Content mastery: Focus on weak areas that offer the biggest score gains.
  3. Strategic practice: Combine untimed learning with timed sectional drills, always reviewing results.
  4. Targeted review: Use your error log to revisit recurring challenges on a regular basis.

Quality always beats quantity. Students who improve the most spend as much time reviewing mistakes as they do answering new questions. This deliberate approach uncovers blind spots early and ensures every study session counts.

Stay flexible. Adjust your strategy based on what’s working, not just habit. Progress comes from reflection as much as repetition.


In summary: Sequencing and self-reflection lead to higher test scores

Meaningful ACT and SAT score improvement happens step by step. Build a strong foundation before taking full practice exams. Use sectional practice to address weaknesses, maintain an error log to learn from mistakes, and simulate real test conditions to build confidence.

Instead of studying longer, study smarter. A phased, reflective approach helps you break through score plateaus and walk into test day prepared, focused, and confident.

Randee Schneeberg's profile picture
Randee Schneeberg
09 Jan 2026, 6 min read
Achievable white logo on blue background
Achievable ACT - $129
Get ACT test prep built for today's learners - mobile, guided, and personalized. Reach your target ACT score with our powerful online self-study course and practice questions for math, English, science, reading, and writing.
Easy-to-understand online textbook
Chapter quizzes
Practice exams
Laptop displaying the Achievable exam prep dashboard and a smartphone displaying a quiz question