[Difficult] Riddles for High School Students
When you hear “riddles,” you might strongly associate them with kindergarteners or elementary school kids, but some are challenging even for adults.
This time, we’re introducing a collection of difficult riddles aimed at high school students.
Give them a try when you have some spare time!
- [Easy] Riddles for High School Students
- Funny quizzes and riddles that get everyone excited in high school
- [Challenging and Fun!] Quizzes & Riddles for Adults
- Easy Quiz for High School Students
- Riddles for college students. Questions that test thinking and creativity.
- Recommended for kids! A collection of challenging riddles. Difficult questions that make you think.
- [Battle of Wits] Stimulate your intellectual curiosity! Quiz questions that get adults excited
- [Satisfying When Solved] Challenging Quizzes Recommended for Elementary School Students!
- [Hard] Riddles for junior high school students
- [Brain Training] Difficult Riddles That Even Adults Struggle With
- [Easy] Fun and Educational Quizzes! A Collection of Interesting Problems for University Students
- Funny quizzes for middle school students. Quizzes that can liven up a middle school setting.
- A quiz site for university students, featuring everything from academic to entertainment quizzes!
[Challenging] Riddles for High School Students (21–30)
Five brain-training riddle questions

This is a collection of five riddles, each accompanied by clear, helpful illustrations to spark ideas along with the problem statements.
Even if you’re unsure, there are easy-to-understand explanations with the answers, so why not try this brain-training challenge in your spare time? It might be perfect for a bit of mental exercise.
Insanely difficult riddle

As the title suggests, this is quite a difficult riddle.
Solving it requires both riddle-solving knowledge and vocabulary, so it can’t be solved by someone who is only good at riddles or someone who is confident only in their vocabulary.


