近年來教育部已經實施國中性教育標準課程，而性教育的教學品質仍為疑慮。本 研究旨在發展與測試性教育教學品質滿意度量表。 本研究採描述性設計。 研究以立意取樣方式選取 162 位臺北市北投區某國中一年級學生。 性教育課室教學品質滿意度量表之發展係依系統理論和相關文獻擬訂而成。量表之信度測試 包括：內在一致性信度，再測信度，和項目分析。量表之效度以內容效度和因素分析測試。 測試結果支持性教育教學品質滿意度量表的心理測量學特質。 國一學生認為性教育內容宜包括兩性關係、情緒處理、性生理、身體的認識、懷孕、和避孕 。研究樣本中，39.1% 的研究對象認為婚前性行為可接受的及 3.1% 承認已有性經驗。研究 結果期能提供性教育者教學改進之參考。

　　　　　The Educational Ministry of Taiwan has implemented a standardized course content for sexual education. However, the teaching quality of sexual education remains questionable. The purpose of the study is to develop and to test the teaching quality of the sexual education instrument. The study is a descriptive design. A purpose sample of the 162 seventh graders was recruited from a junior high school in the Pei-tou district. The Teaching Quality of Sex Education Scale was developed from the system theory and literature review. The reliability of the instrument was tested with internal consistency reliability, test-retest reliability, and item analysis. The validity of the instrument was tested with content validity and factor analysis. The results supported the psychometric property of the instrument. The seventh graders believe that the content of sex education needs to include heterosexual relationship, emotional management, sex physiology, knowing the body, pregnancy, and birth control. 39.1% of students believe that the premarital intercourse is acceptable. 3.1% of students have intercourse experience. The research findings provide information for sex educator to improve quality of sexual education.