Threat level: Demon-
Physical strength: At least large building+ striking (Kirishima who is drastically weaker could throw a baseball hard enough to destroy a building)
Destructive capacity: At least large building+, likely higher (his reverse resolve towered over one of the schools buildings)
Durability: At least large building+ (can tank as much or more than he can dish out)
Speed: At least hypersonic, likely higher (easily fast enough to dodge Kirishima's pitches which ignited with how fast they where thrown)
Intelligence: Genius. Easily genius level intellect in all aspects, he effectively applies it in battle by calculating even the most minimal factors and possibilities.
Stamina: Above average. Can fight while considerably damaged, however it is unknown his exact limits to how long he could fight since it was never really tested in series.
Standard equipment: Usually carries his bag around. Triangular ruler, books, pens and pencils are objects he commonly uses in battle. He also uses glasses, although not really for combat usage they are still worth noting.