The increasing commercialization of higher education has intensified the challenge faced by private tertiary education institutions in balancing financial sustainability with the delivery of quality education. This study examined the strategic dynamics between profitability and educational quality in private tertiary education institutions in Kabwe District, Zambia, focusing on Mukuni College of Health Sciences and Technology, Broken Hill College of Applied Science and Education, and the University of Kabwe. The study adopted a mixed-methods research approach, integrating quantitative and qualitative data to provide a comprehensive understanding of institutional strategies and competitive pressures. Quantitative data were collected through structured questionnaires administered to institutional administrators, academic staff, and students, while qualitative data were obtained through semi-structured interviews and document analysis. Porter's Five Forces framework was employed to analyze the competitive environment influencing institutional profitability and educational outcomes, including competitive rivalry, bargaining power of students and suppliers, threat of substitutes, and barriers to entry. The findings reveal that intense competition, rising operational costs, and increased student price sensitivity significantly influence profitability, often constraining investments in academic infrastructure, staff development, and learning resources. However, institutions that strategically differentiate through specialized programs, quality assurance mechanisms, and stakeholder engagement demonstrate a stronger ability to balance financial performance with educational standards. The study concludes that sustainable profitability in private tertiary education institutions is achievable when strategic management practices are aligned with quality-driven educational objectives. The study recommends the adoption of diversified revenue streams, enhanced academic quality assurance systems, and strategic positioning within niche markets to ensure long-term institutional sustainability. The findings contribute to policy formulation, institutional strategic planning, and the broader discourse on private higher education management in developing economies.