sekolah lanjutan tingkat atas

Compound of sekolah lanjutan (“high school (US), secondary school (UK)”) +‎ tingkat (“grade”) +‎ atas (“upper”) from either

• Calque of Japanese 高等 (kōtō, “higher”) +‎ 中学校 (chūgakkō, “secondary (middle) school”). The post-war Japanese term is 高等学校 (kōtōgakkō). Doublet of sekolah menengah tinggi.
• Calque of Chinese 高級中學／高级中学 (gāojí zhōngxué, “senior high school”).

sekolah lanjutan tingkat atas

1. (education) senior high school (US), upper secondary school (UK).

• sekolah menengah tinggi (dated)
• sekolah menengah atas
• sekolah menengah umum (dated)
• sekolah menengah umum atas (dated)