4. Property and Equipment and Capitalized Software and Curriculum

Property and equipment consists of the following at:


	June 30,
	2018		2017
	(In thousands)
Student computers	$	35,375	$	32,867
Computer software		15,313		26,314
Computer hardware		12,889		15,927
Leasehold improvements		11,779		10,094
State testing computers		6,816		6,274
Furniture and fixtures		4,127		4,533
Office equipment		1,476		1,488
Web site development costs		—		263
		87,775		97,760
Less accumulated depreciation and amortization		(58,907)		(71,463)
	$	28,868	$	26,297

The Company recorded depreciation expense related to property and equipment reflected in selling, administrative and other operating expenses of $5.1 million, $6.7 million and $6.4 million during the years ended June 30, 2018, 2017 and 2016, respectively. Depreciation expense of $12.4 million, $11.2 million and $12.6 million related to computers leased to students is reflected in instructional costs and services during the years ended June 30, 2018, 2017 and 2016, respectively. There were no material write‑downs of capitalized curriculum development costs for the years ended June 30, 2018, 2017 and 2016. Amortization expense of $0.5 million, $0.6 million and $0.5 million related to student software costs is reflected in instructional costs and services during the years ended June 30, 2018, 2017 and 2016, respectively.

In the course of its normal operations, the Company incurs maintenance and repair expenses, which are expensed as incurred and totaled $12.1 million, $11.7 million and $11.6 million for the years ended June 30, 2018, 2017 and 2016, respectively.

Capitalized software consists of the following at:


	June 30,
	2018		2017
	(In thousands)
Capitalized software	$	201,348	$	193,252
Less accumulated depreciation and amortization		(145,860)		(130,557)
	$	55,488	$	62,695

The Company recorded amortization expense of $25.8 million, $25.1 million and $23.4 million related to capitalized software reflected in instructional costs and services and $9.1 million, $7.9 million and $5.5 million reflected in selling, administrative and other operating expenses during the years ended June 30, 2018, 2017 and 2016, respectively.

Capitalized curriculum development costs consists of the following at:


	June 30,
	2018		2017
	(In thousands)
Capitalized curriculum development costs	$	185,520	$	171,736
Less accumulated depreciation and amortization		(131,962)		(112,523)
	$	53,558	$	59,213

The Company recorded amortization expense of $19.4 million, $19.9 million and $17.0 million related to capitalized curriculum development cost reflected in instructional costs and services during the years ended June 30, 2018, 2017 and 2016, respectively.