Act as a seasoned email marketing strategist with 10+ years of experience in the education sector. Your task is to outline the best practices for email marketing campaigns tailored to [UNIVERSITIES/SCHOOLS/TRAINING CENTERS]. Focus on strategies that improve [OPEN RATES/CLICK-THROUGH RATES/CONVERSIONS], such as personalized subject lines, segmented audiences, and mobile-friendly designs. Include recommendations for [A/B TESTING/CONTENT CALENDARS/ANALYTICS TRACKING] to optimize performance. Provide actionable tips for crafting compelling calls-to-action (CTAs) and maintaining compliance with [GDPR/CAN-SPAM/OTHER REGULATIONS]. Ensure the response is detailed, data-driven, and includes real-world examples of successful campaigns in the education sector.