ILTS Science: Physics (243)

It is aimed at people who need a physics teaching designation in Illinois: teacher candidates finishing a preparation program, certified teachers adding a physics endorsement, and some out-of-state or alternative-route applicants. Requirements differ by route, so confirm with your preparation program and the state licensure office which content test your specific pathway requires before you register.

Those figures change and this page deliberately does not guess at them. The official Illinois testing website publishes the current number of questions, the appointment length, and any additional administration details in its test framework and registration materials. Read those before you build a pacing plan, since your per-question time budget depends on them.

Everything is multiple choice, delivered on computer at a testing center. Each item presents a stem with several response options and one best answer. Expect a mix of conceptual items, short multi-step calculations, graph or table interpretation, and descriptions of classroom or laboratory scenarios. Nothing is scored on handwriting or partial work, so answer every item.

The content is undergraduate physics, so the difficulty is breadth plus reasoning, not exotic mathematics. Candidates with a physics degree most often lose points on inquiry and experimental-design items and on unfamiliar contexts, while career changers tend to lose points on mechanics and electricity under time pressure. Use the official sub-objectives as a checklist to find your own gaps.

Yes, retaking is permitted. The state sets the current waiting period between attempts, the number of attempts allowed, and the registration steps, and those details are published on the official testing site rather than fixed here. You will need to register and pay again for each new attempt, so plan a study cycle before rebooking.

The passing standard is set by the state, not by this page, and scores are reported on a scaled rather than a raw basis. The official site publishes the current passing score and the score-report timeline for computer-delivered administrations. Check your online account for the official report; do not rely on a practice-test percentage as a substitute.

Start with a diagnostic against the official sub-objectives so you are not re-learning what you already know. Then spend the largest blocks on mechanics and electricity and magnetism, which carry the most weight, followed by waves and optics. Treat nature of science, thermodynamics, and modern physics as shorter but non-optional blocks, and finish with timed mixed sets.

Memorizing formulas without being able to apply them in an unfamiliar setup; skipping nature-of-science items as supposedly free points; ignoring units, signs, and significant figures in multi-step work; and misreading stems that ask which option is NOT correct. Keeping an error log of why you missed each practice item fixes most of these faster than more content review.

You should be fluent with algebra, trigonometry, vectors, unit conversion, and reading slope and area on graphs, and you should be able to reason about rates of change. Calculus-level derivations are less important than knowing when a relationship is linear, inverse, or inverse-square and being able to justify the answer from data.

Bring the government-issued photo identification the vendor requires and your appointment confirmation, and arrive early enough to complete check-in. Rules about calculators, scratch materials, and any on-screen reference tables are set by the testing contractor and are published on the official site, so read them before your appointment rather than assuming what is provided.