When to Start ACT/SAT Prep: The Best Time To Start Test Prep

Every spring, my inbox floods with the same panicked questions:

"My junior just signed up for the May SAT—can we still prep?"

"When should my sophomore start studying?"

"We thought we'd wait until summer to begin. Is that too late?"

I have noticed that, by and large, most families start SAT and ACT prep too late. By the time they realize it, they're scrambling to cram months of material into weeks, paying for expensive crash courses, or settling for scores that don't reflect their student's actual potential. These tests are different from school exams and it is important that your child's (still developing!) brain has time to process those differences.

After fifteen years of SAT and ACT tutoring and working with hundreds of students through the testing process, I've seen what works and what doesn't. The families who get the best results—the ones whose kids hit their target scores with minimal stress—all have one thing in common: they started at the right time with a strategic plan.

Let me show you the best time to start test prep, how to plan backwards from college application deadlines, and why the conventional timeline advice is setting families up to fail. Need an answer for your specific situation right now? Let's talk!

The Conventional Timeline Advice Is Wrong (Here's Why)

Most test prep companies and school counselors will tell you: "Start 2-3 months before your test date."

Sounds reasonable, right? It's not.

Here's what that advice doesn't account for:

Your student needs time to:

• Take a diagnostic test to identify their starting score and weaknesses

• Learn new content (yes, there's content on these tests they haven't covered in school yet)

• Build test-taking strategies that actually work

• Practice consistently without burning out

• Take multiple full-length practice tests, timed

• Review mistakes and understand why they got questions wrong

• Potentially take the test multiple times for score improvement

Plus, your student is also:

• Managing 5-7 academic classes with homework, projects, and finals

• Participating in extracurriculars, sports, or part-time jobs

• Dealing with the normal stress of being a teenager

• (If they're a junior) Starting to think about college applications, essays, and campus visits

When you factor in real life, 2-3 months isn't enough for most students to reach their potential. It's a recipe for stress, inadequate preparation, and disappointment.

The Real Best Time To Start Test Prep

When Do You Actually Need SAT/ACT Scores?

For Early Decision/Early Action (November 1 deadline): You need final scores by October of senior year at the latest. This means your last possible test date is the September or October test.

For Regular Decision (January deadlines): You need scores by December of senior year. Your last possible test date is the November or December test.

Reality check: These are your LAST possible chances. If you wait this long and your score isn't where it needs to be, you're out of luck. Most competitive students aim to be done testing by the end of junior year so they can focus on applications senior fall.

That is why I always tell all of my students to plan on taking the test three times. We'll get into that below:

Building Your Ideal Timeline

Generally the SAT is administered in December, March, May, and June. For the ACT, students have similar options in December, February, April, June, and July. Remember that your student should have completed Algebra II (at least) to feel comfortable with the math section.

GOAL: Take first test summer after junior year, be done by fall/winter of senior year

Freshmen

Primary Goal: Build strong academic foundation

Action steps:

• Focus on doing well in English and math classes

• Read widely outside of school (novels, news, nonfiction)

• Develop good study habits and time management skills

• Take the PSAT 8/9 if your school offers it (just for practice, no pressure)

Testing prep: None required. You're too early.

Sophomores

Primary Goal: Build strong foundation and START PLANNING (but don't test yet!)

Action steps:

• Focus on doing well in current classes, especially Algebra II if you're taking it

• Take the PSAT 10 if your school offers it (just for practice, doesn't count for anything)

• Start building a preliminary college list to understand what scores you'll need

• Read widely outside of school to build reading stamina

• Don't worry about test prep yet - you aren't academically ready (most likely!)

Juniors

Primary Goal: Get a solid score with adequate prep!

Action steps for Feb/March/April:

1. Take a diagnostic test this week

2. Register for either the June or July tests

3. Commit to weekly prep for the next 6-8 weeks

4. Consider hiring a tutor to maximize efficiency

5. Develop your study plan for over the summer. Implement it!

6. Plan for a retake in the fall

If you've already tested:

• Review your score report to identify specific weaknesses

• If your score is close to your target (within 50-100 points SAT / 2-3 points ACT), sign up for one more test in May or June

• If your score is far from your target, you need intensive help immediately—schedule a consultation with us

Rising Seniors

Primary Goal: Take those last tests and have your applications in primo-condition to send out!

• Register for September, October, or November test (depending on early vs. regular decision timeline)

• Continue your prep work. If you are with a tutor, stay with them, but if you haven't tried anyone out, plan to hire someone in at least August.

• Get your applications filled out and essays written AND edited.

The Summer Before Senior Year Strategy: Why This Is the Sweet Spot

Your student should take the SAT or ACT for the first time the summer after junior year (heading into senior year). Not sophomore year. Not spring of junior year. Summer before senior year.

Here's why this timeline actually works:

1. Content Readiness

By the end of junior year, your student has completed:

• Algebra I, Algebra II, AND most or all of Geometry (covers 100% of SAT/ACT math)

• Three full years of English (strong reading/writing foundation)

• Advanced grammar and literary analysis skills

• The cognitive maturity to handle complex reading passages

Many sophomores haven't even taken Algebra II yet. Testing them before they've learned the content is setting them up for a lower score and unnecessary frustration.

2. Schedule Flexibility

Summer after junior year means:

• No homework, no AP exams, no final projects competing for time

• Ability to do intensive prep (4-6 weeks of focused work)

• Mental bandwidth to actually absorb strategies

• Time for full-length practice tests without school stress

• No burnout from juggling test prep with the hardest academic year

3. Strategic Testing Opportunities

Taking your first test in summer gives you:

• July or August test date for first official attempt

• Immediate score feedback to identify what needs work

• Fall of senior year (September/October) for a retake if needed

• Still done in time for Early Decision/Early Action (November 1 deadlines)

• Option for one more attempt in November/December if absolutely necessary for Regular Decision

4. Reduced Pressure and Better Outcomes

When you wait until junior year is complete:

• Students have the full content knowledge they need

• 4-6 weeks of intensive summer prep is MORE effective than 6 months of scattered prep during the school year

• First test score is typically higher because they're academically ready

• Less total time investment (60-80 hours over one summer vs. spreading it across a year)

• Parents aren't paying for tutoring to teach Algebra II concepts that school hasn't covered yet

Consider investing in professional tutoring to maximize efficiency—you don't have time to waste on ineffective study strategies.

The Biggest Mistakes Families Make (And How to Avoid Them)

Mistake #1: Assuming School Will Prepare Your Student

School teaches English and math. It does NOT teach:

• How to manage time pressure on a standardized test

• Strategic guessing when you don't know an answer

• How to identify trap answers

• Specific SAT/ACT question patterns

• Time management across sections

• Test-day mental strategies

The fix: Recognize that standardized test prep is a separate skill set that requires dedicated practice.

Mistake #2: Starting Without a Diagnostic Test

I cannot emphasize this enough: you need to know your starting point. Flying blind is expensive and inefficient.

The fix: Before you pay for any tutoring or sign up for any course, have your student take a full-length, timed practice test. This tells you:

• Which test (SAT or ACT) is a better fit

• What your baseline score is

• How many points you need to improve

• Where the biggest weaknesses are

• How much prep time you realistically need

Mistake #3: Not Planning for Retakes

Here's what I tell every family: Plan to take the test at least three times. Even students who score well on their first attempt usually improve on the second because they:

• Know what to expect (reduced test anxiety)

• Have identified weak areas from the first test

• Understand pacing better

• Are more comfortable with the format

Leaving room for a potential retake can help alleviate stress and potentially improve scores, though students should be cautious about taking the test too many times as this could be viewed negatively by some colleges.

When planning your timeline, assume your first test is practice for your second test (your real "count" test). This mindset shift reduces pressure and usually leads to better performance.

How Much Prep Time Do You Actually Need?

This is the question every parent asks, and the answer is: it depends. But I can give you a framework.

For a 50-100 point SAT improvement (or 2-3 point ACT improvement):

• Minimum 20-30 hours of focused prep

• Timeline: 2-3 months at 3-5 hours per week

For a 100-200 point SAT improvement (or 4-6 point ACT improvement):

• Minimum 40-60 hours of focused prep

• Timeline: 3-5 months at 3-5 hours per week

For a 200+ point SAT improvement (or 7+ point ACT improvement):

• Minimum 60-100 hours of focused prep

• Timeline: 5-8 months at 3-5 hours per week

• Realistic expectation: This level of improvement requires significant content learning, not just test strategies

Important caveat: These are averages. Some students improve faster, some slower. It depends on:

• Starting score

• Consistency of practice

• Quality of instruction/resources

• Natural test-taking ability

• How much they've forgotten from earlier grades (Algebra I concepts, grammar rules, etc.)

Red Flags That Your Prep Timeline Is Wrong

Watch out for these warning signs:

🚩 Your student is prepping more than 15 hours per week → Timeline is too compressed; they'll burn out

🚩 Test date is less than 4 weeks away and they haven't started → Need to postpone test date or accept that score may not reflect potential

🚩 Starting prep more than 12 months before first test → Too early; they'll forget material and burn out before test day

🚩 Planning to take the test 6+ times → Timeline and strategy are off; quality prep beats quantity of attempts

🚩 Student is stressed, crying, or dreading prep sessions → Something is wrong with the approach or timing

The Kate's Tutoring Approach: Strategic, Personalized Timelines

At Kate's Tutoring, we don't do one-size-fits-all prep plans. Instead, we:

Start with a Diagnostic Assessment

We need to understand where your student is now—not where they "should" be or where their sibling was. Every student's starting point is unique.

Set Realistic Target Scores

We help families understand what scores their target colleges actually need (hint: it's often lower than you think, or if you're aiming for highly selective schools, higher than average online advice suggests).

Create a Custom Timeline

We factor in:

• Your student's academic schedule

• Extracurricular commitments

• College application timeline (early vs. regular decision)

• Natural learning pace

• Available time for prep

Build in Buffer Time

Life happens. Students get sick. AP exams interfere. We plan for that instead of pretending it won't happen.

Focus on Efficiency

We recommend 20-40 hour tutoring programs for SAT and ACT prep, which gives us 2-3 months on the low end to prepare and raise scores effectively, covering essay writing, math, reading, writing, and science (ACT only) during this time.

We don't waste time. Every session is targeted, strategic, and designed to maximize score improvement per hour invested.

The Bottom Line: Earlier Is Better, But It's Never Too Late

Here's what I want you to take away from this:

Ideal world: Start prep the summer after sophomore year, take your first test in winter/spring of junior year, and be done by June of junior year.

Real world: Most families don't start at the ideal time. And that's okay. What matters is that you start NOW with a realistic, strategic plan.

The absolute worst strategy: Waiting until the last minute and hoping it will work out. It won't.

The families who get the best results are the ones who:

• Start earlier than feels necessary

• Plan backwards from application deadlines

• Build in buffer time for retakes

• Work with experienced tutors who can maximize efficiency

• Stay consistent even when it feels tedious

Your student's test scores can open doors to better colleges, more scholarship money, and increased confidence. But only if you give them enough time to properly prepare.

Ready to Create Your Perfect Test Prep Timeline?

Schedule your free consultation today—let's make sure your student is on the right timeline for success.

Kate Hackett is the founder of Kate's Tutoring, a comprehensive academic support service in Los Angeles. With over 15 years of experience in SAT and ACT preparation, she's helped hundreds of students achieve their target scores and gain admission to their dream schools.

Check the Official 2026-2027 SAT Test Dates to start mapping out your target weekends. You can also see the ACT.org's: National Test Dates & Registration.