Montebello Park Elementary (Data source)
Source data for Montebello Park 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 | 1036966 | 2395 | - | 2436 | = | -41 | * | (102 | / | 308) | = | -13.57792207 | ||
| 4 | 1036969 | 2420 | - | 2485 | = | -65 | * | (117 | / | 308) | = | -24.69155839 | ||
| 5 | 1036970 | 2455 | - | 2528 | = | -73 | * | (89 | / | 308) | = | -21.09415577 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Montebello Park Elementary | -59 | ||||||||||||
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 | 32556 | 2409 | - | 2436 | = | -27 | * | (104 | / | 305) | = | -9.20655736 | ||
| 4 | 32559 | 2429 | - | 2485 | = | -56 | * | (97 | / | 305) | = | -17.80983602 | ||
| 5 | 32561 | 2440 | - | 2528 | = | -88 | * | (104 | / | 305) | = | -30.00655733 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Montebello Park Elementary | -57 | ||||||||||||
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 | 33129 | 2426 | - | 2436 | = | -10 | * | (78 | / | 285) | = | -2.7368421 | ||
| 4 | 33131 | 2438 | - | 2485 | = | -47 | * | (108 | / | 285) | = | -17.8105263 | ||
| 5 | 33132 | 2450 | - | 2528 | = | -78 | * | (99 | / | 285) | = | -27.09473684 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Montebello Park Elementary | -48 | ||||||||||||
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 | 33147 | 2429 | - | 2436 | = | -7 | * | (79 | / | 248) | = | -2.22983871 | ||
| 4 | 33149 | 2440 | - | 2485 | = | -45 | * | (74 | / | 248) | = | -13.42741932 | ||
| 5 | 33151 | 2453 | - | 2528 | = | -75 | * | (95 | / | 248) | = | -28.7298387 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Montebello Park Elementary | -44 | ||||||||||||
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 | 33322 | 2442 | - | 2436 | = | 6 | * | (83 | / | 239) | = | 2.083682 | ||
| 4 | 33323 | 2453 | - | 2485 | = | -32 | * | (81 | / | 239) | = | -10.84518826 | ||
| 5 | 33324 | 2449 | - | 2528 | = | -79 | * | (75 | / | 239) | = | -24.79079495 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Montebello Park Elementary | -34 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -59 | -57 | -48 | -44 | -34 | -242.0 | -48.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -18.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -78.4
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 | 93% | 93% | 86% | 83% | 79% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Montebello Unified school district | County of Los Angeles
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.
Montebello Park Elementary math proficiency
Zero+ meets standard.
84% less $meal
84% less $meal
79% less $meal
79% less $meal
74% 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.