The high schools that advertise to the entire Jinan area are primarily those with a strong reputation and a desire to attract a wide range of students. These institutions often have a history of academic excellence, extracurricular achievements, and a diverse student body. Some of the notable schools include Jinan No.1 High School, Jinan No.2 High School, and Jinan Experimental High School.

Jinan No.1 High School, for instance, is one of the most prestigious schools in China, known for its rigorous academic programs and high entrance requirements. The school has a long-standing tradition of producing top-performing students who go on to attend top universities both domestically and internationally. Its extensive advertising efforts are aimed at showcasing its academic strengths and attracting students from all over Jinan and beyond.

Similarly, Jinan No.2 High School is recognized for its strong emphasis on science and technology education. The school offers a variety of specialized programs and has a strong track record of students winning national and international science competitions. Its advertising campaigns highlight these achievements and the school's commitment to fostering innovation and critical thinking.

Jinan Experimental High School also stands out for its comprehensive approach to education, combining rigorous academics with a rich array of extracurricular activities. The school's advertising strategy focuses on its holistic educational model, which aims to develop well-rounded individuals.

Data from the Jinan Education Bureau indicates that these schools have a significant presence in the city's educational landscape. For example, in the 2020-2021 academic year, Jinan No.1 High School had an enrollment of over 3,000 students, with a majority coming from outside the immediate school district. This demonstrates the school's ability to attract students from a wide geographical area.

The reason these schools invest heavily in advertising is to maintain their competitive edge and to continue to attract the best and brightest students. In a city like Jinan, where there are numerous high-quality educational options, effective marketing strategies are crucial for schools to stand out. Additionally, advertising helps these institutions to build a strong brand identity and to communicate their unique educational offerings to potential students and their families.

In conclusion, Jinan's most prominent high schools, such as Jinan No.1 High School, Jinan No.2 High School, and Jinan Experimental High School, are known for their extensive advertising efforts. These campaigns are designed to highlight the schools' strengths, including academic excellence, specialized programs, and a commitment to holistic education. The data from the Jinan Education Bureau supports the notion that these schools have a significant reach and are successful in attracting students from across the city.