There are some tools around that may be what you are looking for. see https://www.oecd.org/financial/education/resources/ and the approach in Klapper (https://gflec.org/wp-content/uploads/2015/11/Finlit_paper_16_F2_singles.pdf) as examples that are widely used so can provide benchmarks. However, the more widely used the less they work for particular subsets of interest.

Please take a look at the following links, which may help you understand financial literacy and financial behavior.

FL: Article An Analysis of Personal Financial Literacy Among College Students

FB:

Article The Financial Management Behavior Scale: Development and Validation

Yes, there are several standardized scale. Please refer the following:

1. Development of a financial

literacy model for university

students: http://dx.doi.org/10.1108/MRR-06-2014-0143

2. Measuring Financial Literacy:

Questionnaire and Guidance Notes

for Conducting an Internationally Comparable

Survey of Financial Literacy

3. Financial Literacy: Conceptual Framework

and Scale Development