Penelitian ini bertujuan untuk menganalisis kesulitan apa saja yang ditemukan guru pada saat mengajar Biologi SMA di Tarakan berdasarkan masa kerja. Metode penelitian ini menggunakan pendekatan kualitatif dengan jenis penelitian purposive sampling. Subjek penelitian yaitu 11 guru Biologi SMA di Tarakan. Masa kerja yang digunakan pada penelitian ini yaitu < 5 tahun, 5 – 10 tahun dan > 10 tahun. Data diperoleh berdasarkan hasil wawancara. Hasil penelitian yang didapatkan pada aspek materi yaitu guru kesulitan dalam penguasaan materi kelas 12, pada aspek perencanaan pembelajaran guru kesulitan dalam menyusun modul ajar pada kurikulum merdeka, pada aspek sarana prasarana berupa keterbatasan laboratorium dan alat praktikum. Berdasarkan hasil penelitian dan analisis data dapat diketahui bahwa setiap aspek, guru memiliki kesulitan dalam mengajar Biologi SMA di Tarakan.


Kata Kunci : Kesulitan Mengajar, Masa Kerja, Aspek.

This research aims to analyze what difficulties teachers encounter when teaching high school biology in Tarakan based on length of service. This research method uses a qualitative approach with a purposive sampling technique. The research subjects were 11 high school biology teachers in Tarakan. The work periods used in this research are < 5 years, 5 – 10 years and > 10 years. Data collection through interviews. The research results obtained in the material aspect were that teachers had difficulty mastering class 12 material, in the learning planning aspect teachers had difficulty in compiling teaching modules in the Merdeka curriculum,and in the infrastructure aspect, laboratories, practical equipment are limited. Based on the results of research and data analysis, it can be seen that in every aspect, teachers have difficulties in teaching biology in high school at Tarakan. Keywords : Teaching Difficulties, Years Of Service, Aspect.