Leo Duel School

Leo Duel School (レオ・デュエル・スクール Reo Dyueru Sukūru) or shortened as LDS ( Eru Di Esu) is a duel school in the Yu-Gi-Oh! ARC-V anime. Unlike You Show Duel School, this school is quite big and expanded. Leo Duel School is held inside Leo Corporation.

1st Tier

 * Duel Monsters Overall Studies
 * Staple Cards Studies
 * Integration Course
 * Basics of Duel Tactics
 * Construction of Main Deck
 * Basic Subjects

2nd Tier

 * Synchro Summons I
 * Tuner Studies
 * Practical Battle I

3rd Tier

 * Synchro Summons II
 * Studies of Suitable Number of Tuner Cards
 * Continuous Draw Practical Studies
 * Side Deck Studies I
 * Practical Battle II

4th Tier

 * Side Deck Studies II
 * Extra Deck Studies
 * Inanimate Solitaire Theory

2nd Tier

 * Xyz Summons I
 * Rank Basic Studies
 * Practical Battle I

3rd Tier

 * Xyz Summons II
 * Practical Rank Studies
 * Monster Effect Negation Studies
 * Side Deck Studies I
 * Practical Battle II

4th Tier

 * Side Deck Studies II
 * Extra Deck Studies
 * Special Card Changing Theory

2nd Tier

 * Advantage Studies
 * Fusion Summons I
 * Extra Deck Basic Studies

3rd Tier

 * Disadvantage Studies
 * Deck Compression Studies
 * Fusion Summons II
 * Side Deck Studies I
 * Attribute-Based Fusions Practical Battle

4th Tier

 * Side Deck Studies II
 * Extra Deck Studies
 * Super Fusion Theory

2nd Tier

 * Chain Block Studies
 * Advance Summons I
 * Damage Calculation Studies

3rd Tier

 * Old Rituals Studies
 * Contemporary Rituals Studies
 * Advance Summons II
 * Draw Experiment
 * Probability of Hand Destruction

4th Tier

 * D-Draw Probability Theory
 * Surrender Theory
 * Common Dueling Theory

Staff

 * Himika Akaba - Chairwoman
 * Professor Marco- Leo Duel School Fusion Course
 * Tio

Students

 * Shingo Sawatari
 * Hokuto Shijima
 * Masumi Kōtsu
 * Yaiba Tōdō
 * Yamabe
 * Ōtomo
 * Kakimoto
 * Olga
 * Yū Sakuragi
 * Reira Akaba
 * Shun Kurosaki

Exchange students

 * Dennis Macfield- Broadway branch
 * Halil- Anatolia branch
 * Olga- Nordic branch

Unknown

 * Mio Tōjō (spelled "Mio Tojyo" in the Japanese anime)
 * Masashi Kitaura
 * Akira Samejima
 * Tetsurō Yamaguchi (spelled "Tetsuro Yamaguchi" in the Japanese anime)