---
title: "내신 등급 (Korean high-school class rank → grade, 5- or 9-grade system)"
method: GET
path: "/api/v1/naesin-grade"
---

# 내신 등급 (Korean high-school class rank → grade, 5- or 9-grade system)

`GET /api/v1/naesin-grade`

## Request

- Base URL: `https://kwhmate.com`
- URL: `https://kwhmate.com/api/v1/naesin-grade`
- Auth: none declared

Runs the same calculator as https://gyesanmate.com/naesin-grade/. Reference: 기준: 고교 내신 상대평가 누적 비율 · 최종 등급은 학교 성적표 기준. Arrays: comma-separated. Also accepts POST with a JSON body.

## Query parameters

- `system` 'five' | 'nine': five = 2025 입학생부터, nine = 2024 이전
- `rank` integer, required
- `ties` integer: 동석차 수(본인 포함)
- `students` integer, required

## Response `200`

Result with source and page URL

- Result
  - `ok` boolean
  - `calculator` string
  - `title` string
  - `currency` string, nullable
  - `input` object
  - `result` object
  - `estimate` boolean
  - `reference` string: Reference date and official source
  - `page` string, uri
  - `disclaimer` string

## Other responses

- `400`: Invalid input
- `429`: Rate limited (60 requests per minute)

---

[API](https://skmtc.dev/kwhmate/apis/kwhmate-korea-survival-kit-calculators-api.md) · [All operations](https://skmtc.dev/kwhmate/apis/kwhmate-korea-survival-kit-calculators-api/llms.txt) · [OpenAPI document](https://skmtc.dev/kwhmate/apis/kwhmate-korea-survival-kit-calculators-api/revisions/90207915728b?raw)