Barranca Elementary (Data source)
Source data for Barranca 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 | 665581 | 2433 | - | 2436 | = | -3 | * | (117 | / | 329) | = | -1.0668693 | ||
| 4 | 665582 | 2437 | - | 2485 | = | -48 | * | (103 | / | 329) | = | -15.02735558 | ||
| 5 | 665585 | 2497 | - | 2528 | = | -31 | * | (109 | / | 329) | = | -10.27051669 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Barranca Elementary | -26 | ||||||||||||
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 | 21118 | 2435 | - | 2436 | = | -1 | * | (103 | / | 320) | = | -0.321875 | ||
| 4 | 21119 | 2463 | - | 2485 | = | -22 | * | (113 | / | 320) | = | -7.76875 | ||
| 5 | 21122 | 2480 | - | 2528 | = | -48 | * | (104 | / | 320) | = | -15.6 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Barranca Elementary | -24 | ||||||||||||
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 | 21485 | 2461 | - | 2436 | = | 25 | * | (99 | / | 319) | = | 7.75862068 | ||
| 4 | 21488 | 2465 | - | 2485 | = | -20 | * | (101 | / | 319) | = | -6.3322884 | ||
| 5 | 21489 | 2484 | - | 2528 | = | -44 | * | (119 | / | 319) | = | -16.41379309 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Barranca Elementary | -15 | ||||||||||||
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 | 21472 | 2453 | - | 2436 | = | 17 | * | (102 | / | 306) | = | 5.66666666 | ||
| 4 | 21475 | 2491 | - | 2485 | = | 6 | * | (104 | / | 306) | = | 2.03921569 | ||
| 5 | 21477 | 2507 | - | 2528 | = | -21 | * | (100 | / | 306) | = | -6.86274509 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Barranca Elementary | 1 | ||||||||||||
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 | 21646 | 2470 | - | 2436 | = | 34 | * | (86 | / | 302) | = | 9.68211917 | ||
| 4 | 21647 | 2484 | - | 2485 | = | -1 | * | (107 | / | 302) | = | -0.35430464 | ||
| 5 | 21648 | 2505 | - | 2528 | = | -23 | * | (109 | / | 302) | = | -8.3013245 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Barranca Elementary | 1 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -26 | -24 | -15 | 1 | 1 | -63.0 | -12.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 26.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -51.6
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 | 70% | 70% | 67% | 70% | 70% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Covina-Valley Unified school district County of Los Angeles
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.
Barranca Elementary math proficiency
Zero+ meets standard.
53% less $meal
57% less $meal
57% less $meal
60% less $meal
58% 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 Covina-Valley Unified (9)
| Barranca Elementary | Ben Lomond Elementary | Cypress Elementary |
| Grovecenter Elementary | Manzanita Elementary | Merwin Elementary |
| Mesa Elementary | Rowland Avenue Elementary | Workman Avenue Elementary |