Tierra Vista Elementary (Data source)
Source data for Tierra 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 | 3112989 | 2377 | - | 2436 | = | -59 | * | (135 | / | 381) | = | -20.90551177 | ||
| 4 | 3112990 | 2400 | - | 2485 | = | -85 | * | (129 | / | 381) | = | -28.77952755 | ||
| 5 | 3112993 | 2439 | - | 2528 | = | -89 | * | (117 | / | 381) | = | -27.33070865 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Tierra Vista Elementary | -77 | ||||||||||||
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 | 96003 | 2370 | - | 2436 | = | -66 | * | (120 | / | 391) | = | -20.25575442 | ||
| 4 | 96005 | 2413 | - | 2485 | = | -72 | * | (139 | / | 391) | = | -25.59590791 | ||
| 5 | 96006 | 2419 | - | 2528 | = | -109 | * | (132 | / | 391) | = | -36.79795386 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Tierra Vista Elementary | -83 | ||||||||||||
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 | 98773 | 2382 | - | 2436 | = | -54 | * | (115 | / | 367) | = | -16.92098089 | ||
| 4 | 98775 | 2411 | - | 2485 | = | -74 | * | (114 | / | 367) | = | -22.98637595 | ||
| 5 | 98777 | 2415 | - | 2528 | = | -113 | * | (138 | / | 367) | = | -42.49046317 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Tierra Vista Elementary | -82 | ||||||||||||
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 | 98933 | 2387 | - | 2436 | = | -49 | * | (116 | / | 356) | = | -15.9662921 | ||
| 4 | 98935 | 2422 | - | 2485 | = | -63 | * | (121 | / | 356) | = | -21.41292132 | ||
| 5 | 98937 | 2417 | - | 2528 | = | -111 | * | (119 | / | 356) | = | -37.10393248 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Tierra Vista Elementary | -74 | ||||||||||||
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 | 99609 | 2383 | - | 2436 | = | -53 | * | (110 | / | 343) | = | -16.99708452 | ||
| 4 | 99610 | 2446 | - | 2485 | = | -39 | * | (116 | / | 343) | = | -13.18950434 | ||
| 5 | 99611 | 2423 | - | 2528 | = | -105 | * | (117 | / | 343) | = | -35.81632646 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Tierra Vista Elementary | -66 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -77 | -83 | -82 | -74 | -66 | -382.0 | -76.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -58.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -94.4
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 | 79% | 80% | 68% | 77% | 76% |
| 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.
Tierra Vista Elementary math proficiency
Zero+ meets standard.
62% less $meal
68% less $meal
57% 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.
Elementary School (Public) schools in Ocean View (3)
| Laguna Vista Elementary | Mar Vista Elementary | Tierra Vista Elementary |