Main focus – What subject do you want to study? What is the broad area? Are there specific questions within this broad area that you would like to focus on?
The lack of evidenced based intervention to prevent the continual rise of young boys of black / African heritage, being excluded from secondary school and the unique response that youth and community workers can deliver towards this type of intervention and effictively evidence base the outcomes of their intervention.

You can modify the topic to be shorter and to the point
Broad subject area:

The lack of evidenced based intervention to prevent the continual rise of young boys of black / African heritage, being excluded from secondary school

Specific questions which you are interested in:

Where there any indicators at primary school that the individual was at risk of exclusion in the future?

What support does the family and the BME community provide to that young person at the point of fixed term or permanent exclusion?

What policies are guiding the process used pre and post exclusion of this group?

What response is currently being provided by C and Y organisations to tackle this issue?

Main themes of dissertation: what do you consider the main themes of the dissertation are?

The indicators that are currently used and missed at primary school to avoid school exclusion once transition to secondary school is complete

Work that is done within the community to acclimatise young black boys to the challenges that may present themselves in secondary school

Current education and social policy that shapes how the exclusion of BME pupils is executed and managed

The distinctive nature of community and youth work interventions which could lessen school exclusions

What relevant literature have you considered at this point in your research? Please give a minimum of 40 to 50 accurately referenced titles.
Some of the authors i have found already are below
I also want UK School exclusion legislation, family construct theory, youth work theory in relation to young black boys, theory on black boys in the Uk and their identity
Harvard Referencing

Alexander, C. E. (1996) The Art of Being Black: The Creation of Black British Youth Identities. 1st edn. Oxford: Oxford University Press.

Blair, M. (2001) Why Pick on Me?: School Exclusion and Black Youth. Stoke-on-Trent: Trentham Books.

Chadderton, C. & Charlotte, C. (2013) ‘Towards a research framework for race in education: critical race theory and Judith Butler’, International Journal Of Qualitative Studies In Education (QSE), 26, 1, pp. 39-55, British Education Index

Gillborn, D. (2011) Fine words and foul deeds: why coalition education policy will make things worse for Black students and the White working class. Race Equality Teaching, 29 (2). pp. 9-14.

Gillborn, D. (2010) Full of sound and fury, signifying nothing? a reply to Dave Hill’s ‘Race and Class and in Britain: a critique of the statistical basis for critical race theory in Britain’. Journal for Critical Education Policy Studies, 8 (1). pp. 78-107.

Gillborn, D. (2006) Critical Race Theory and Education: racism and anti-racism in educational theory and praxis. Discourse: Studies in the Cultural Politics of Education, 27 (1). pp. 11-32.

Law, I., Finney, S. & Swann, S. (2014) ‘Searching for autonomy: young black men, schooling and aspirations’, Race, Ethnicity & Education, 17, 4, pp. 569-590.

Parsons, C. & Carl, P. (2009) ‘Explaining sustained inequalities in ethnic minority school exclusions in England – passive racism in a neoliberal grip’, Oxford Review Of Education, 35, 2, pp. 249-265.

Payne, Y. & Brown, T.(2010) ‘The educational experiences of street-life-oriented Black boys: How Black boys use street life as a site of resilience in high school’, Journal Of Contemporary Criminal Justice, 26, 3, pp. 316-338,

Poorthuis, A., Thomaes, S., van Aken, M., Denissen, J. & de Castro, B (2014) ‘Dashed Hopes, Dashed Selves? A Sociometer Perspective on Self-esteem Change Across the Transition to Secondary School’, Social Development, 23, 4, pp. 770-783

Sewell, T. (2009) Generating Genius: Black Boys in Search of Love, Ritual and Schooling. Stoke-on-Trent, UK: Stylus Publishing.

Smaje, C. (1997) ‘Not Just a Social Construct: theorising race and ethnicity. Sociology, 2, p. 307

Burgess, S. (2015) Aspirations, Language and Poverty: Attainment and Ethnicity. In
Alexander, C., Weekes-Bernard, D. and Arday, J. (Eds) (2015) The Runnymede
School Report: Race, Education and Inequality in Contemporary Britain.