Lomitas Elementary (Data source)
Source data for Lomitas 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 | 2069204 | 2370 | - | 2436 | = | -66 | * | (123 | / | 415) | = | -19.56144577 | ||
| 4 | 2069207 | 2387 | - | 2485 | = | -98 | * | (110 | / | 415) | = | -25.97590352 | ||
| 5 | 2069208 | 2415 | - | 2528 | = | -113 | * | (96 | / | 415) | = | -26.13975901 | ||
| 6 | 2069211 | 2444 | - | 2552 | = | -108 | * | (86 | / | 415) | = | -22.38072282 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lomitas Elementary | -94 | ||||||||||||
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 | 63570 | 2374 | - | 2436 | = | -62 | * | (113 | / | 446) | = | -15.70852014 | ||
| 4 | 63573 | 2395 | - | 2485 | = | -90 | * | (121 | / | 446) | = | -24.41704032 | ||
| 5 | 63574 | 2400 | - | 2528 | = | -128 | * | (117 | / | 446) | = | -33.57847526 | ||
| 6 | 63577 | 2436 | - | 2552 | = | -116 | * | (95 | / | 446) | = | -24.70852014 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lomitas Elementary | -98 | ||||||||||||
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 | 65369 | 2385 | - | 2436 | = | -51 | * | (121 | / | 492) | = | -12.54268291 | ||
| 4 | 65370 | 2401 | - | 2485 | = | -84 | * | (122 | / | 492) | = | -20.82926824 | ||
| 5 | 65372 | 2409 | - | 2528 | = | -119 | * | (124 | / | 492) | = | -29.99186988 | ||
| 6 | 65374 | 2411 | - | 2552 | = | -141 | * | (125 | / | 492) | = | -35.82317064 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lomitas Elementary | -99 | ||||||||||||
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 | 65453 | 2370 | - | 2436 | = | -66 | * | (106 | / | 464) | = | -15.07758615 | ||
| 4 | 65454 | 2414 | - | 2485 | = | -71 | * | (111 | / | 464) | = | -16.98491373 | ||
| 5 | 65457 | 2408 | - | 2528 | = | -120 | * | (118 | / | 464) | = | -30.51724128 | ||
| 6 | 65458 | 2432 | - | 2552 | = | -120 | * | (129 | / | 464) | = | -33.36206892 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lomitas Elementary | -96 | ||||||||||||
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 | 65842 | 2365 | - | 2436 | = | -71 | * | (105 | / | 451) | = | -16.52993344 | ||
| 4 | 65843 | 2413 | - | 2485 | = | -72 | * | (105 | / | 451) | = | -16.76274941 | ||
| 5 | 65844 | 2417 | - | 2528 | = | -111 | * | (113 | / | 451) | = | -27.81152985 | ||
| 6 | 65845 | 2434 | - | 2552 | = | -118 | * | (128 | / | 451) | = | -33.49002215 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lomitas Elementary | -95 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -94 | -98 | -99 | -96 | -95 | -482.0 | -96.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -90.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -102.4
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 | 82% | 86% | 86% | 79% | 85% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Victor Elementary school district | County of San Bernardino
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.
Lomitas Elementary math proficiency
Zero+ meets standard.
76% less $meal
80% less $meal
80% less $meal
75% less $meal
80% 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.