ASE School Bus Body Systems and Special Equipment (S1) Test — Information & Free Practice
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About ASE School Bus Body Systems and Special Equipment (S1) Test
ASE School Bus Body Systems and Special Equipment (S1) Test · US
Key exam facts
- Provider
- National Institute for Automotive Service Excellence (ASE): certification test developer and program owner; Prometric: test-center delivery.
- Format
- English computer-based multiple-choice test at a test center; each question has one correct answer. Initial S1 is outside the remote-testing exceptions for recertification and G1.
- Exam questions
- Total questions: 60; Scored questions: 50; Unscored questions: 10; The total includes the scored and unscored questions.
- Time limit
- 75 minutes of testing time for the initial S1 certification test; not the 30-minute recertification test.
- Passing score
- Pass/fail result. The numerical S1 cut score and scoring scale are not published in the current public S1 guide, S1 test page, ASE Certification: Need to Know, FAQs and test-center score-report policies reviewed on 2026-11-01; no percentage or scaled threshold is inferred.
- Exam fee
- US registration: $62 per general certification test plus a $34 registration fee per order ($96 for one S1 test in one order), before applicable state sales tax; advanced-level and military rates and recertification caps do not apply.
Topics covered
Safety and Emergency Equipment Systems Diagnosis and Repair (20%)
- Safety equipment condition and securement
- Seatbelts, tether belts and driver/passenger restraints
- Emergency exits and associated hardware
- Stop arms, crossing gates, warning lights and devices
- Emergency exit warning electrical systems
- Reflectors, reflective materials, lettering and decals
- Post-trip inspection systems
- Vehicle monitoring systems
Body and Interior Maintenance (28%)
- Passenger seats and mounting hardware
- Driver seat assemblies and controls
- Floors, step wells, wheel wells and trim
- Entry doors, side doors and handrails
- Mirrors and associated heaters and adjustments
- Body mounts, structural hardware and compartment mountings
- Accessory compartments and access panels
- Engine hood, cover, inner fenders and related hardware
- Entry door controls and emergency releases
- Windshield, window and door glass assemblies
- Wipers and associated control and drive systems
- Windshield washer systems
Installed Special Equipment Diagnosis and Repair (20%)
- Wheelchair lift and backup system operation
- Wheelchair lift operational and safety controls
- Wheelchair lift structural integrity and restraint hardware
- Wheelchair track and track-mounted seating
- Wheelchair lift doors, interlocks and indicators
- Accessory mounting devices and hardware
- Lift operational and safety decals
Heating Systems Diagnosis and Repair (32%)
- Heating, ventilation and defrosting temperature control diagnosis
- Window fogging diagnosis
- Cooling system, coolant and pressure tests
- Heater coolant control valves
- Heater cores, hoses, clamps and covers
- Heating flow, booster pump and restrictor tests
- Heater filters, cabin filter and heater core exterior
- Heater/defroster blowers, fans and electrical circuits
- Heating, ventilation and defrosting control assemblies
- Vacuum control switches, hoses, pumps and drive belts
- Ducts, mode/blend doors and recalibrations
- Cooling system recovery, refill and bleeding
- Fuel-fired, electric and high-voltage supplemental coolant heaters
How to prepare
Work through the topics, read the explanation after each answer, and revisit the areas where you miss questions. Use the official outline and reference materials below to guide your study.
These independent practice questions are not actual exam items and do not guarantee a passing result.
Frequently asked questions
What is the exam format?
English computer-based multiple-choice test at a test center; each question has one correct answer. Initial S1 is outside the remote-testing exceptions for recertification and G1.
How many questions are on the exam?
Total questions: 60; Scored questions: 50; Unscored questions: 10; The total includes the scored and unscored questions.
How long is the exam?
75 minutes of testing time for the initial S1 certification test; not the 30-minute recertification test.
What is the passing score?
Pass/fail result. The numerical S1 cut score and scoring scale are not published in the current public S1 guide, S1 test page, ASE Certification: Need to Know, FAQs and test-center score-report policies reviewed on 2026-11-01; no percentage or scaled threshold is inferred.
How much does the exam cost?
US registration: $62 per general certification test plus a $34 registration fee per order ($96 for one S1 test in one order), before applicable state sales tax; advanced-level and military rates and recertification caps do not apply.
Official sources and references
- Official ASE School Bus Study Guide
p. 4, Introduction, Task List scope rule
- Official ASE School Bus Study Guide
p. 5, S1 Test Specifications table, all rows and total; visually checked
- Official ASE School Bus Study Guide
pp. 5–6, S1 complete Task List A1–A8, B1–B12, C1–C7, D1–D13; indexed original preserves all wording
- Official ASE School Bus Study Guide
p. 4, How Long are the Tests?, S1 Certification row; full headers visually checked
- Official ASE School Bus Study Guide
p. 4, asterisk footnote to initial Certification Tests
- ASE Certification: Need to Know
p. 3, step 3
- ASE Registration Dates and Fees
Test Fees > Certification Tests, Registration Fee and General Tests cards
- ASE Test Center Policies
Sales Tax
- ASE Test Center Policies
Test Results and Score Report
- ASE Certification: Need to Know
p. 4, initial certification options
- ASE Certification: Need to Know
p. 4, Test Centers
Confirm current exam arrangements with the exam provider.