El Cajon Valley High (Data source)
Source data for El Cajon 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 | 2170112 | 2500 | - | 2628 | = | -128 | * | (401 | / | 401) | = | -128.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for El Cajon Valley High | -128 | ||||||||||||
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 | 66637 | 2482 | - | 2628 | = | -146 | * | (384 | / | 384) | = | -146.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for El Cajon Valley High | -146 | ||||||||||||
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 | 68464 | 2491 | - | 2628 | = | -137 | * | (416 | / | 416) | = | -137.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for El Cajon Valley High | -137 | ||||||||||||
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 | 68613 | 2494 | - | 2628 | = | -134 | * | (414 | / | 414) | = | -134.0 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for El Cajon Valley High | -134 | ||||||||||||
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 |
||
| 8 | 69138 | 0 | - | 2586 | = | * | (0 | / | 332) | = | ||||
| 11 | 69139 | 2479 | - | 2628 | = | -149 | * | (331 | / | 332) | = | -148.5512047 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for El Cajon Valley High | -149 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -128 | -146 | -137 | -134 | -149 | -694.0 | -138.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -114.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -162.8
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 | 87% | 87% | 90% | 89% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Grossmont Union High school district | County of San Diego
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.
El Cajon Valley High math proficiency
Zero+ meets standard.
71% less $meal
64% less $meal
72% less $meal
67% less $meal
62% 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 Grossmont Union High (9)
| El Cajon Valley High | El Capitan High | Granite Hills High |
| Grossmont High | Monte Vista High | Mount Miguel High |
| Santana High | Valhalla High | West Hills High |