By 1958, the number of the students is over 1,000, due to lack of facilities, primary and secondary schools are forced to have double shifts, morning and afternoon shifts, minimising the hours children spend in school.

In 1960, the school offer higher secondary classes, becoming the highest institution in North Muar.

In 1971, Che Kuan Khor Moral Uplifting Society, Sungai Mati and the Chairman of Pei Hwa Alumni Association, Wu Nai Guang donated a piece of land to the school for school construction purposes.

With the rapid development of information technology, the school started their computer classes.

From 1996 to 1999, the carpentry class students have participated in The Malaysia Skills Competition (MSC) and won Prime Minister's Golden Hands Awards for four consecutive years.

The students of the carpentry class represented Malaysia to take part in The 35th WorldSkills International Competition in Montreal, Canada in 1999.

As China becomes stronger, the status of Chinese language is rising; the number of the school is increasing also.

培华培华　利丰港畔　先贤创维艰 敬业乐群　学而时习　培育好青年 加紧学习　充实生活　祖逖着先鞭 先鞭猛着　猛着先鞭　浩荡奔上前

The student associations will also hold various camps during the school holidays, focus on intellectual and spiritual to obtain fulfilment.