{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "name": "CourseGrade",
  "type": "object",
  "properties": {
    "letter_grade": {
      "type": "string"
    },
    "percent": {
      "type": "number"
    },
    "is_passing": {
      "type": "boolean"
    }
  },
  "required": [
    "letter_grade",
    "percent",
    "is_passing"
  ]
}