Way noun – A passage cleared for public vehicular travel. Techniques and way are semantically related. Sometimes you can replace term "Techniques" with "Way", this nouns are similar.
However, this really amounts to a problem with the school's measuring techniques, which have no way to measure actual combat ability and only measure people based on how much power they can summon.
Just as primitive Rotoscoping has given way to Motion Capture, the great-great-grandson of this technique can be found in the advanced facial performance capture techniques used in Avatar and L.A. Noire.