Take a full practice test every 2-3 weeks during active test blocks, with lighter weeks focused on specific skill repair. After each test, run a three-pass review: first re-solve each miss without time to verify it is learnable, then document the failure reason, and finally schedule targeted drills within 48-72 hours that attack the specific failure mode. The review phase is what converts misses into repeatable protocols; practice tests without rigorous review rarely raise scores.

For each mistake, do one immediate explain-back and three spaced re-drills across the next month. At T0 (today), explain the logic aloud and write a one-line rule like "If I see X, I will do Y." At T+7 days, re-drill an isomorphic item; at T+21 days, re-drill a harder version; and at T+35 days, re-drill the item in a mixed set. This spaced repetition leverages the spacing effect to build durable retention rather than temporary familiarity.

January and February focus on foundations—algebraic fluency, sentence boundaries, functions, and punctuation. March through May introduce mixed practice, timing drills, and data analysis. June and August are reserved for full practice tests with intensive review. July emphasizes endurance with mixed sets, while September fine-tunes high-yield patterns. October through November run dress rehearsals with two full tests monthly and deep reviews. December focuses on light maintenance with short mixed sets and formula refresh. Build in buffer weeks every 6-8 weeks for catch-up and consolidation.

Common errors include linear equation isolation mistakes, percent change calculation errors, and function interpretation mistakes. Always clear fractions before distributing to reduce careless errors. For percent problems, compute changes sequentially rather than additively—20% up followed by 20% down yields a net loss, not zero. When solving function problems with input shifts like x → x+1, adjust inside the function before simplifying. Keep a formula deck covering slope-intercept, percent change, average, and distance, and rehearse weekly.

Paraphrase each question in your own words before looking at answer choices, then verify your selection using exact textual evidence rather than intuition. Watch for qualifiers—words like "often," "primarily," or "in part"—and eliminate choices with extreme language such as "always" or "never" unless the passage explicitly supports them. Build a habit of requiring two concrete words from the passage that your answer hinges on. For Writing errors, pre-train rules for comma splices, concision, modifier placement, and logical transitions.

Verify registration windows early via the SAT Exam Calendar so your plan back-solves appropriately into your monthly roadmap. Register for test dates that give you enough months to execute your target pace, and work backward from those dates to schedule your monthly themes and practice test cadence. The 12-month arc naturally breaks into winter for foundations, spring for breadth and timing, summer for endurance, and autumn for fine-tuning—align your registration to support this progression.