The School Zone Sign: Slow Down and Watch for Children
The five-sided school sign means you are approaching or entering a school zone, where children may be walking, biking or crossing. Slow down, obey the school speed limit when it applies (often 15 to 25 mph when lights flash or children are present), do not pass other vehicles, and be ready to stop for crossing guards and school buses.
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School zone quiz: 3 test-style questions
- What shape is the school sign? Pentagon (five sides) / Octagon / Diamond / Circle. Answer: Pentagon (five sides). The pentagon, pointing up like a house, is used only for school and school crossing signs.
- A sign reads SCHOOL SPEED LIMIT 20 WHEN FLASHING. The lights are flashing and you see no children. You must: Drive at the regular speed limit / Drive 20 mph or slower / Drive 20 mph only if children are visible / Stop before entering the zone. Answer: Drive 20 mph or slower. When the condition on the sign is met (lights flashing), the school limit applies whether or not you see children.
- In a school zone, a crossing guard holds up a STOP paddle. You must: Slow down and continue if the crosswalk looks clear / Honk to warn the children / Stop and stay stopped until the guard lets you go / Go around the guard. Answer: Stop and stay stopped until the guard lets you go. A crossing guard's STOP paddle has the force of a stop sign. Stop and wait until the guard clears you to proceed.
What the school zone sign means
The school sign (MUTCD S1-1) is a pentagon, pointed at the top like a house, showing two children walking. It is the advance warning for a school or school zone ahead. Modern signs are fluorescent yellow-green, a color reserved for school, pedestrian and bicycle warnings because it stands out in daylight and dusk; some older signs are plain yellow and mean the same thing.
The pentagon is the only sign shape used for schools, which makes it a favorite permit-test question. Alone, it is a warning. When combined with a SCHOOL plaque and a speed limit, or with a SCHOOL SPEED LIMIT assembly, it creates a regulatory school speed zone with a lower legal limit during the times shown.
What to do in a school zone
- Slow down as soon as you see the sign and cover the brake.
- Obey the school speed limit when it applies: WHEN FLASHING, WHEN CHILDREN ARE PRESENT, or during posted hours. Typical limits are 15 to 25 mph, depending on the state.
- Do not pass other vehicles, and never pass a vehicle that is stopped at a crosswalk.
- Obey crossing guards and stop at their STOP paddle until they wave you on.
- Stop for a school bus with flashing red lights and an extended stop arm, in both directions on most undivided roads, and stay stopped until the lights stop and the arm folds.
- Put the phone away. Some states, such as Texas, ban handheld phone use in active school zones.
Common mistakes and test traps
- "No children, no limit." If the sign says WHEN FLASHING, the limit applies while lights flash, even if you see no one. If it says WHEN CHILDREN ARE PRESENT, it applies whenever children are on or near the road.
- Color confusion. Fluorescent yellow-green (school, pedestrians, bicycles) versus yellow (general warning) versus orange (work zones).
- Where the zone ends. Look for an END SCHOOL ZONE sign or a speed limit sign with a higher limit.
- Higher fines. Many states raise fines for speeding in school zones.
Where you see it
School signs are posted in advance of school buildings and grounds, often with an AHEAD plaque or a distance plaque, and at the start of school speed zones, usually with flashing yellow beacons. A related sign, the school crossing sign, uses the same pentagon with a downward arrow to mark the crosswalk itself.
Related signs to know
Learn the school crossing sign, the pedestrian crossing sign and the speed limit sign. School bus rules are covered in our right-of-way guide, and all sign colors and shapes are in the road signs guide.
School zone sign FAQ
What is the speed limit in a school zone?
It is set by state and local law and posted on the sign, commonly 15 to 25 mph. Where no specific limit is posted, some states apply a default school zone limit, such as 25 mph in California when children are present.
When does the school zone speed limit apply?
When the condition on the sign is met: lights flashing, children present, or during the posted hours and school days.
Why are school signs fluorescent yellow-green?
The MUTCD allows fluorescent yellow-green for school, pedestrian and bicycle warning signs because it is highly visible, especially at dawn and dusk.
Do I have to stop for a school bus on the other side of the road?
On most two-lane and undivided roads, yes. On divided highways with a median, many states do not require traffic in the opposite direction to stop. Rules vary by state.
Official sources
- FHWA — Manual on Uniform Traffic Control Devices (MUTCD)
- NHTSA — School bus safety
- NHTSA — Pedestrian safety
Keep studying
- School crossing sign
- Pedestrian crossing sign
- Speed limit sign
- Right-of-way rules
- All US road signs
- Practice tests by topic