Channel Islands High (Data source)
Source data for Channel Islands 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 | 3124580 | 2499 | - | 2628 | = | -129 | * | (552 | / | 552) | = | -129.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Channel Islands High | -129 | ||||||||||||
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 | 96364 | 2536 | - | 2628 | = | -92 | * | (528 | / | 528) | = | -92.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Channel Islands High | -92 | ||||||||||||
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 | 99154 | 2532 | - | 2628 | = | -96 | * | (549 | / | 549) | = | -96.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Channel Islands High | -96 | ||||||||||||
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 | 99314 | 2515 | - | 2628 | = | -113 | * | (526 | / | 526) | = | -113.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Channel Islands High | -113 | ||||||||||||
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 | 99973 | 2522 | - | 2628 | = | -106 | * | (583 | / | 583) | = | -106.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Channel Islands High | -106 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -129 | -92 | -96 | -113 | -106 | -536.0 | -107.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -65.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -149.2
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% | 74% | 81% | 82% | 82% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Oxnard Union High school district County of Ventura
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Channel Islands High math proficiency
Zero+ meets standard.
65% less $meal
61% less $meal
67% less $meal
73% less $meal
74% 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 Oxnard Union High (7)
| Adolfo Camarillo High | Channel Islands High | Hueneme High |
| Oxnard High | Pacifica High | Rancho Campana High |
| Rio Mesa High |