HS 300 exam-day guide
HS 300 · Prepare for the day ahead.
Your checklist
Valid, unexpired government-issued photo ID
Bring the exact ID type and name spelling your registration uses. If your registration name and ID name differ (for example, a maiden name or a shortened first name), resolve it with the provider before test day rather than at check-in. Confirm with the provider which ID forms it accepts, since rules vary by location and delivery mode.
Appointment confirmation and test-center address
Save a screenshot of your confirmation (date, time, location, confirmation number) so it is available offline. For an in-person test, check the building address, which entrance is open, and where parking or transit drops you. Test centers are sometimes inside office parks or university buildings with confusing internal numbering.
Login credentials and system check for remote proctoring
If you are testing online, confirm your account login works, run the provider's system/equipment check on the same computer and network you will use, and note the check-in window (often earlier than the appointment time). Confirm with the provider whether a wired connection, external webcam, or specific browser is required.
Approved calculator or on-screen calculator knowledge
Confirm with the provider whether a calculator is permitted, which models are allowed, and whether one is built into the test software. If physical calculators are allowed, verify the model against the provider's approved list; many exams ban programmable or graphing models.
Knowledge of the provided reference sheet or formula list
Many technical exams supply formulas, tables, or a periodic table inside the testing software rather than allowing you to bring notes. Find out in advance what is provided so you do not waste study time memorizing it or arrive expecting to bring it.
Scratch paper and writing instrument policy
Test centers typically supply laminated sheets and a marker, or permit a limited number of blank pages for remote tests, and require them to be returned or shown at the end. Do not bring your own notes. Confirm with the provider what is allowed in your delivery mode.
Comfort items that pass security screening
Plan for a light layer you can remove, water in a clear container if permitted, and any medically necessary item cleared in advance. Confirm with the provider how to request an accommodation for medication, food, or breaks; unapproved items are usually confiscated or cause you to be turned away.
A plan for personal items
Phones, smartwatches, bags, and notes generally must be stored in a locker or left outside the testing room, and phones must be off. Assume you cannot access your phone during the appointment, including breaks, and arrange transport and emergency contact accordingly.
Timing and scoring facts written down
Know the number of questions, the total appointment time versus actual test time, whether there are scored and unscored sections, and whether you can flag and revisit questions. Write these on a card to review the night before so you can pace yourself without guessing.
Rest, food, and caffeine routine set the day before
Eat a normal meal, avoid starting new caffeine or sleep habits, and set two alarms. A short, light review the evening before is fine; a late-night cram session usually costs more in focus than it gains in recall.
Backup plan for delays
Identify a second route, the test center phone number, and the provider's contact channel for scheduling problems. Know the late-arrival cutoff in advance by confirming with the provider, since arriving after it commonly means forfeiting the appointment and fee.
Review of the test-day interface conventions
If the provider publishes a tutorial or sample interface, run it once so you recognize the navigation, flagging, review screen, and calculator before the clock starts. The tutorial time is usually separate from test time, but confirm that with the provider.
Plan the day
Stop learning new topics. Spend the final three days on a single condensed review of your own summary sheet, formulas, and error log, cycling through weak areas rather than rereading everything. Take one short timed set to calibrate pacing, then stop taking full practice tests so fatigue does not peak on test day. Reconfirm the appointment time, address or remote-testing setup, and ID requirements, and resolve any name mismatch now rather than at check-in.
Do a logistics dry run. For an in-person test, drive or ride the route at the same time of day you will travel and note traffic, parking, and the correct entrance. For remote testing, verify your room meets quiet and privacy requirements, test your camera, microphone, and internet, and confirm the check-in window. Charge devices and gather your ID, confirmation, and approved items in one place.
Keep review light and mechanical: skim your summary sheet, recite key formulas or definitions, and reread your error log for recurring mistakes. Set out clothes, ID, confirmation, and any approved items by the door. Eat a normal dinner, limit alcohol, avoid a late heavy meal, and go to bed at your usual time. Set two alarms and confirm your transport plan. Do not attempt a new topic or a late-night cram.
Eat a normal breakfast and follow your usual caffeine routine, avoiding a larger dose than normal. Leave earlier than the map suggests, with a buffer for transit problems. Arrive within the provider's check-in window; if you are delayed, call the test center and the provider immediately rather than arriving silently late. Leave phones and notes stowed, keep your ID in hand, and do a brief breathing exercise rather than last-minute quizzing in the waiting area.
Expect identity verification, a photo, a security screening, and a rules acknowledgment. Follow proctor instructions exactly, empty pockets, and store personal items as directed. For remote testing, complete the room scan and desk clear as instructed and keep your face in frame. Ask the proctor any clarifying question before the clock starts.
Use the first minute to note your time budget, then work in passes: answer what is straightforward, flag anything that needs a second look, and skip rather than stall. Do not let one hard question consume several minutes. Read each question stem fully and watch for qualifiers such as 'except' or 'best'. If the interface allows it, check the review screen before submitting to catch unanswered items and misflagged questions. Use breaks only as permitted and return promptly.
Note what felt uncertain while it is fresh, since that informs any retake planning. Confirm with the provider how and when scores are released, whether a preliminary score is shown on screen, and what the retake policy and waiting period are. Keep your confirmation number and score report in a safe place for future applications or audits.
Rules to check
Bring the exact ID required by the provider, with names matching your registration. If your ID does not match or has expired, you may be denied entry and lose your fee; confirm accepted ID forms with the provider in advance.
Arrive within the provider's check-in window. Late arrivals are commonly refused entry, and the decision is made by the test center or proctor, not by you; confirm the cutoff time with the provider before test day.
Do not bring notes, phones, smartwatches, or other unauthorized devices into the testing room. Assume all personal items are stored or left outside, phones are off, and any prohibited item discovered during the test can lead to score cancellation.
Follow all proctor instructions and the published integrity rules. Attempting to communicate with others, copying questions, or leaving the testing area without permission is typically treated as misconduct and can void your score; the provider's rules govern, so read them before test day.
Use only breaks the provider permits, and expect that unscheduled breaks may not stop the clock or may not be allowed at all. Confirm the break policy, including whether you can access food, water, or medication, with the provider.
Understand the scoring before you sit: know whether wrong answers are penalized, whether some sections are unscored, and what score you need. If the provider does not publish this clearly, ask rather than guessing, since guessing strategy depends on it.
Do not assume a calculator, reference sheet, or scratch paper is allowed. Confirm with the provider what is provided on screen versus permitted at your seat, and bring only approved models.
If something goes wrong, such as a system failure, a disturbance, or an illness, raise it with the proctor or support channel immediately and ask how it will be documented. Reporting after the fact is harder to resolve; confirm the provider's incident process in advance.