ABSTRAK   Tujuan penelitian ini adalah untuk mengkaji dan menganalisis peningkatan keaktifan , motivasidanhasilbelajarsiswa dalam pembelajaran akuntansi melalui penggunaan model pembelajaran ARCS (Attention, Relevance, Confidence, and Satisfaction) di SMK Kristen 1 Surakarta.Penelitian ini menggunakan pendekatan Penelitian Tindakan Kelas (PTK). Subyek penelitian ini adalah siswa kelas XI Akuntansi yang berjumlah 28 siswa. Sumber data yang digunakan yaituinforman, tempat atau lokasi, peristiwa, dan dokumen atau arsip. Pengumpulan data menggunakan observasi, wawancara, tes, dan dokumentasi. Uji validitas data menggunakan triangulasi sumber dan metode. Kesimpulandaripenelitianiniadalah penerapan model pembelajaran ARCS (Attention, Relevance, Confidence, and Satisfaction) dapat meningkatkan keaktifan, motivasi, dan hasil belajar siswa pada siswa kelas XI Akuntansi di SMK Kristen 1 Surakarta. (1) Partisipasi siswa dalam mengajukan pertanyaan/ ide dalam diskusi meningkat 57.14% (2) Partisipasisiswadalammenjawabpertanyaandalamdiskusimeningkat 46.43% (3)Interaksiantarsiswadalamkelompokmeningkat50% (4) ketekunan dan keuletan siswa meningkat58.58%. (5) Siswa dapat menerima pelajaran yang disampaikan oleh guru dengan baik meningkat28.58%. (6) Siswa menjadi lebih senang belajar mandiri meningkat60.71%. (7) Senang, rajin dalam belajar dan mengerjakan soal serta penuh semangat meningkat35.72%. (8) Siswa berani mengemukakan pendapat meningkat57.14% . (9) Hasil belajar siswa meningkat71.43%. Kata kunci : Model Pembelajaran ARCS, KeaktifanSiswa, Motivasi Berprestasi, Hasil Belajar Akuntansi  ABSTRACT  The objectives of research were to study and to analyze the improvement of activeness, motivation and learning achievement in accounting learning using ARCS (Attention, Relevance, Confidence, and Satisfaction)model in SMK Kristen 1 Surakarta. This study was a Classroom Action Research (CAR). The subject was the eleventh accounting graders consisting of 28 students. The data sources were interview with informant, place /location, event, and document /archive. The data collection used observation, interview, test, and documentation technique. Data validation used source and method triangulation. Conclusion of this research was âThe application of ARCS (Attention, Relevance, Confidence, and Satisfaction) learning model could improve activeness, motivation and learning achievement of students in the eleventh accounting graders of SMK Kristen 1 Surakartaâ. (1) Participation students in asking questions/ideas in the discussion increased 57.14% (2) Participation students in answering a question in the discussion increased 46.43% (3) Interaction between students in Group increased 50% (4) Student persistence and perseverance increased58.58% (5) Students can receive well the lessonby teachers increased 28.58%. (6) Students preferring to learn independently 60.71%. (7) Learning enjoyably, diligently and working on the assignment energetically increased 35.72%. (8) Students can expressing opinion increased 57.14%. (6) The student learning achievement increased 71.43%. Keywords: ARCS learning model, Student Activeness, Achievement Motivation, Accounting Learning Achievement.