Scotts Valley High (Data source)
Source data for Scotts Valley High
2015
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
11 | 2762545 | 2658 | - | 2628 | = | 30 | * | (180 | / | 180) | = | 30.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Scotts Valley High | 30 |
2016
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
11 | 84039 | 2641 | - | 2628 | = | 13 | * | (191 | / | 191) | = | 13.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Scotts Valley High | 13 |
2017
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
11 | 86356 | 2634 | - | 2628 | = | 6 | * | (170 | / | 170) | = | 6.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Scotts Valley High | 6 |
2018
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
11 | 86588 | 2661 | - | 2628 | = | 33 | * | (188 | / | 188) | = | 33.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Scotts Valley High | 33 |
2019
Step 1 | Step 2 | Step 3 | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
11 | 87184 | 2627 | - | 2628 | = | -1 | * | (200 | / | 200) | = | -1.0 | ||
Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Scotts Valley High | -1 |
Last steps
Compute the average
2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
---|---|---|---|---|---|---|
30 | 13 | 6 | 33 | -1 | 81.0 | 16.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 58.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -25.8
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
2015 | 2016 | 2017 | 2018 | 2019 | |
---|---|---|---|---|---|
Percent | 10% | 11% | 9% | 10% | 10% |
Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Scotts Valley Unified school district | County of Santa Cruz
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Scotts Valley High math proficiency
Zero+ meets standard.

7% less $meal

8% less $meal

7% less $meal

9% less $meal

9% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.
High Schools (Public) schools in Scotts Valley Unified (1)
Scotts Valley High |