On 5 April 2014, he lined out at right wing-back when St. Kieran's College defeated Kilkenny CBS to win the Dr. Croke Cup.
[3] He was again at centre-back when St. Kieran's faced Thurles CBS in the All-Ireland final and collected a second successive winners' medal following a 1-15 to 1-12 victory.
[7] On 18 October 2015, Cleere was at right wing-back when Bennettsbridge drew 0-20 to 3-11 with St Patrick's Ballyragget in the final of the Kilkenny Intermediate Championship.
[9] On 28 October 2018, Cleere lined out at centre-back when Bennettsbridge faced Ballyhale Shamrocks in the final of the Kilkenny Senior Championship.
On 7 July he won a Leinster Championship medal as a non-playing substitute following Kilkenny's 1-18 to 0-08 defeat of Laois in the final.
[11] On 26 April 2014, Cleere made his first appearance for the Kilkenny minor team when he lined out right wing-back in a 2-08 to 0-03 defeat by Dublin in the Leinster Championship.
[16] On 5 July 2017, Cleere won a Leinster Championship medal with the under-21 team after scoring three points from centre-back in 0-30 to 1-15 defeat of Wexford in the final.