Mar Vista Elementary (Data source)
Source data for Mar Vista Elementary
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 |
||
| 3 | 3112775 | 2376 | - | 2436 | = | -60 | * | (95 | / | 290) | = | -19.65517236 | ||
| 4 | 3112776 | 2395 | - | 2485 | = | -90 | * | (84 | / | 290) | = | -26.06896548 | ||
| 5 | 3112779 | 2452 | - | 2528 | = | -76 | * | (111 | / | 290) | = | -29.08965512 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Mar Vista Elementary | -75 | ||||||||||||
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 |
||
| 3 | 95995 | 2377 | - | 2436 | = | -59 | * | (89 | / | 270) | = | -19.44814811 | ||
| 4 | 95997 | 2398 | - | 2485 | = | -87 | * | (96 | / | 270) | = | -30.93333329 | ||
| 5 | 95998 | 2429 | - | 2528 | = | -99 | * | (85 | / | 270) | = | -31.16666659 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Mar Vista Elementary | -82 | ||||||||||||
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 |
||
| 3 | 98765 | 2382 | - | 2436 | = | -54 | * | (74 | / | 253) | = | -15.79446637 | ||
| 4 | 98767 | 2393 | - | 2485 | = | -92 | * | (84 | / | 253) | = | -30.54545452 | ||
| 5 | 98769 | 2426 | - | 2528 | = | -102 | * | (95 | / | 253) | = | -38.30039524 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Mar Vista Elementary | -85 | ||||||||||||
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 |
||
| 3 | 98925 | 2372 | - | 2436 | = | -64 | * | (80 | / | 235) | = | -21.78723398 | ||
| 4 | 98926 | 2393 | - | 2485 | = | -92 | * | (69 | / | 235) | = | -27.01276593 | ||
| 5 | 98929 | 2421 | - | 2528 | = | -107 | * | (86 | / | 235) | = | -39.15744672 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Mar Vista Elementary | -88 | ||||||||||||
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 |
||
| 3 | 99601 | 2391 | - | 2436 | = | -45 | * | (80 | / | 214) | = | -16.82242988 | ||
| 4 | 99602 | 2416 | - | 2485 | = | -69 | * | (78 | / | 214) | = | -25.14953269 | ||
| 5 | 99603 | 2444 | - | 2528 | = | -84 | * | (56 | / | 214) | = | -21.98130833 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Mar Vista Elementary | -64 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -75 | -82 | -85 | -88 | -64 | -394.0 | -78.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -51.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -105.8
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 | 90% | 89% | 81% | 88% | 86% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Ocean View school district | County of Ventura
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.
Mar Vista Elementary math proficiency
Zero+ meets standard.
76% less $meal
74% less $meal
70% less $meal
78% less $meal
75% 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.
Elementary School (Public) schools in Ocean View (3)
| Laguna Vista Elementary | Mar Vista Elementary | Tierra Vista Elementary |