Corrected version:

There is little room for doubt that student behaviour is a common concern among schools worldwide, and the reasons behind it are complex. Various factors contribute to poor behaviour among students, including socio-economic and personal issues. However, this can be dealt with by creating awareness among children. 

Explanation: 

• The word "are" should be changed to "is" to agree with the singular noun "reason."

• "Complex various factors" should be separated into "complex" and "various factors" for clarity.

• "Social economic" should be changed to "socio-economic" for correct spelling.

• The word "but" should be added after "issues" to create a clear contrast with the previous statement.

• The sentence structure should be adjusted to improve clarity and readability.

Improved version:

There is no doubt that student behavior is a widespread concern in schools worldwide, and the underlying reasons are multifaceted. Various factors contribute to students' poor behavior, including socio-economic and personal issues. However, this issue can be addressed by raising awareness among children. 

Corrected version:

The major behavioural problem that emerges among students is that they are pressured by their school system and parents regarding their academics. The lack of parental guidance and inadequate selection of teachers by academic institutions contribute to this issue. 

Explanation: 

• "Which" should be changed to "that" to introduce a restrictive clause.

• "By" should be changed to "among" to accurately describe the relationship between the problem and the students.

• "As" should be changed to "and" to indicate that both the school system and parents contribute to the pressure.

• "Academics institution hire teachers who not be well suited to handle student" should be rephrased for clarity and correct grammar. 

Improved version:

One significant behavioral problem among students is the pressure they face from both the school system and their parents regarding their academic performance. The lack of parental guidance and the inadequate selection of teachers by academic institutions exacerbate this issue. 

Corrected version:

In addition, teachers also engage in physical punishments, which have negative effects on students, such as bullying and stealing. These punishments often lead to feelings of aggression, hurt, and humiliation. For example, such punishments can make students contemplate suicide. 

Explanation: 

• "Which" should be changed to "that" to introduce a restrictive clause.

• "Bullying and stealing, which often leads to aggression feeling of hurt and humiliation" should be rephrased for clarity. The sentence structure should be adjusted to separate the effects of physical punishments from the examples provided.

• "These such punishments makes student think of committing suicide" should be changed to "Such punishments can make students contemplate suicide" for correct grammar and clarity.

Improved version:

Moreover, teachers sometimes resort to physical punishments, which have detrimental effects on students, such as bullying and theft. These punishments often lead to feelings of aggression, hurt, and humiliation. In extreme cases, they can even drive students to contemplate suicide. 

Corrected version:

Secondly, poverty and social inequality can also lead to a lack of resources and opportunities for children, which can contribute to poor behaviour. 

Explanation: 

• "Leads" should be changed to "lead" to agree with the plural subject "poverty and social inequality."

• "For children which can contribute to poor behaviour" should be changed to "for children, which can contribute to poor behaviour" to improve sentence structure and clarity.

Improved version:

Additionally, poverty and social inequality can also contribute to poor behavior among students due to the lack of resources and opportunities available to them.

Corrected version:

Thus, these are some of the reasons behind this issue. 

Explanation: 

• "Awesome" should be changed to "some" for a more appropriate and accurate description of the reasons.

• The sentence structure should be adjusted to improve clarity and readability.

Improved version:

In summary, these are some of the key factors contributing to student behavior issues. 

Corrected version:

Turning to possible solutions, perhaps the immediate step to improve student behaviour is for parents to delay unnecessary luxuries for their children, making them more tolerant and accepting. 

Explanation: 

• "Solution" should be changed to "solutions" to match the plural subject "possible solutions."

• "The behaviour of student" should be changed to "student behaviour" for correct grammar.

• "Is that" should be changed to "is for" to introduce the suggested action.

• "Parents need to delay unnecessary luxury to their children" should be changed to "parents to delay unnecessary luxuries for their children" for clearer and more concise phrasing.

Improved version:

In terms of solutions, one immediate step to improve student behavior is for parents to limit unnecessary luxury spending on their children, fostering tolerance and acceptance.

Corrected version:

Additionally, parents can also control their children's use of technology by setting time limits for computer usage and spending more time with them to increase human communication and presence. 

Explanation: 

• "Control their child" should be changed to "control their children" to match the plural subject.

• "By over use of technology" should be changed to "by the overuse of technology" for correct grammar.

• "The using of computer" should be changed to "computer usage" for clearer and more concise phrasing.

• "Increase human communication and present" should be changed to "increase human communication and presence" for correct grammar and clarity.

Improved version:

Furthermore, parents can exert control over their children's technology usage by setting time limits for computer usage and prioritizing face-to-face communication.

Corrected version:

Another solution is for the educational system to make efforts in teaching its students various values, such as respecting elders and maintaining cleanliness. 

Explanation: 

• "Secondary solution" should be changed to "Another solution" for clearer phrasing.

• "Is that" should be changed to "to" to introduce the suggested action.

• "Put endeavours" should be changed to "make efforts" for more appropriate language.

• "Its students various values" should be changed to "its students various values, such as respecting elders and maintaining cleanliness" for clearer and more specific phrasing.

Improved version:

Another solution is for the educational system to emphasize the teaching of values such as respect for elders and maintaining cleanliness. 

Corrected version:

To sum up, according to the aforementioned argument, it can be clearly inferred that a lack of parental skills and physical punishments contribute to student behaviour. 

Explanation:

• "According to the aforementioned argument" should be followed by a comma for correct punctuation.

• "It can clearly inferred" should be changed to "it can be clearly inferred" for correct grammar.

• "Behaviour of students" should be changed to "student behaviour" for clearer phrasing.

Improved version:

To conclude, it is evident from the aforementioned arguments that a lack of parental skills and the use of physical punishments contribute to student behavior issues.