英语翻译

英语翻译
在职及收入证明
兹证明XXX先生系我校在职小学高级教师,在我校就职5年.累计在学校就职10年.
2013年工资收入共计人民币xxxx元,2014年工资收入共计人民币xxxx元,工资收入包含月薪、奖金及各项补贴.教师工资收入免缴个人所得税.
特此证明
A市城区第4小学校
Certificate of Employment
Herewith certificate that Mr.XXX is a senior primary school teacher in-service employed by our school.He has been working in our school for 5 years.He has worked in school for 10 years.
In 2013,Mr.XXXearnd a total annual income of xxxxCNY,In 2014,he earnd a total annual income of xxxx CNY,including monthly salary,annual bonus and subsidies.The teachers' salary income is exempt from personal income tax.
Hereby certify.
No.4 Cheng District Primary School of A
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另外有几个问题：
1.“小学高级教师”怎么翻译?
2.“A市城区第4小学校”落款为No.4 Cheng District Primary School of 总觉得好别扭.
3.“人民币”用CNY好还是RMB好?
是用于办签证的.