Skyline High (Data source)
Source data for Skyline 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 | 85055 | 2521 | - | 2628 | = | -107 | * | (272 | / | 272) | = | -107.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Skyline High | -107 | ||||||||||||
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 | 2382 | 2519 | - | 2628 | = | -109 | * | (297 | / | 297) | = | -109.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Skyline High | -109 | ||||||||||||
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 | 2437 | 2479 | - | 2628 | = | -149 | * | (215 | / | 215) | = | -149.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Skyline High | -149 | ||||||||||||
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 | 2441 | 2549 | - | 2628 | = | -79 | * | (173 | / | 173) | = | -79.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Skyline High | -79 | ||||||||||||
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 | 2461 | 2494 | - | 2628 | = | -134 | * | (275 | / | 275) | = | -134.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Skyline High | -134 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -107 | -109 | -149 | -79 | -134 | -578.0 | -115.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -37.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -193.6
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 | 78% | 76% | 77% | 74% | 73% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oakland Unified school district | County of Alameda
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.
Skyline High math proficiency
Zero+ meets standard.
69% less $meal
68% less $meal
68% less $meal
68% less $meal
66% 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 Oakland Unified (7)
| Castlemont High | Fremont High | McClymonds High |
| MetWest High | Oakland High | Oakland Technical High |
| Skyline High |