Rancho Santa Gertrudes Elementary (Data source)
Source data for Rancho Santa Gertrudes 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 | 1021653 | 2368 | - | 2436 | = | -68 | * | (59 | / | 234) | = | -17.14529914 | ||
| 4 | 1021656 | 2444 | - | 2485 | = | -41 | * | (45 | / | 234) | = | -7.88461537 | ||
| 5 | 1021657 | 2444 | - | 2528 | = | -84 | * | (46 | / | 234) | = | -16.51282046 | ||
| 6 | 1021660 | 2398 | - | 2552 | = | -154 | * | (84 | / | 234) | = | -55.28205113 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Rancho Santa Gertrudes Elementary | -97 | ||||||||||||
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 | 32073 | 2394 | - | 2436 | = | -42 | * | (55 | / | 213) | = | -10.8450704 | ||
| 4 | 32075 | 2451 | - | 2485 | = | -34 | * | (60 | / | 213) | = | -9.57746476 | ||
| 5 | 32076 | 2474 | - | 2528 | = | -54 | * | (50 | / | 213) | = | -12.67605634 | ||
| 6 | 32079 | 2459 | - | 2552 | = | -93 | * | (48 | / | 213) | = | -20.95774642 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Rancho Santa Gertrudes Elementary | -54 | ||||||||||||
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 | 32607 | 2409 | - | 2436 | = | -27 | * | (48 | / | 199) | = | -6.51256281 | ||
| 4 | 32609 | 2450 | - | 2485 | = | -35 | * | (52 | / | 199) | = | -9.14572862 | ||
| 5 | 32610 | 2459 | - | 2528 | = | -69 | * | (56 | / | 199) | = | -19.41708542 | ||
| 6 | 32612 | 2523 | - | 2552 | = | -29 | * | (43 | / | 199) | = | -6.26633166 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Rancho Santa Gertrudes Elementary | -41 | ||||||||||||
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 | 32625 | 2420 | - | 2436 | = | -16 | * | (51 | / | 208) | = | -3.92307691 | ||
| 4 | 32627 | 2457 | - | 2485 | = | -28 | * | (49 | / | 208) | = | -6.59615384 | ||
| 5 | 32629 | 2475 | - | 2528 | = | -53 | * | (54 | / | 208) | = | -13.75961535 | ||
| 6 | 32631 | 2513 | - | 2552 | = | -39 | * | (54 | / | 208) | = | -10.12499998 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Rancho Santa Gertrudes Elementary | -34 | ||||||||||||
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 | 32805 | 2417 | - | 2436 | = | -19 | * | (46 | / | 193) | = | -4.52849739 | ||
| 4 | 32806 | 2466 | - | 2485 | = | -19 | * | (54 | / | 193) | = | -5.31606217 | ||
| 5 | 32807 | 2500 | - | 2528 | = | -28 | * | (45 | / | 193) | = | -6.52849739 | ||
| 6 | 32808 | 2528 | - | 2552 | = | -24 | * | (48 | / | 193) | = | -5.96891191 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Rancho Santa Gertrudes Elementary | -22 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -97 | -54 | -41 | -34 | -22 | -248.0 | -49.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 34.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -133.6
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 | 82% | 89% | 83% | 79% | 78% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Los Nietos 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.
Rancho Santa Gertrudes Elementary math proficiency
Zero+ meets standard.
65% less $meal
78% less $meal
68% less $meal
68% less $meal
73% 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 Los Nietos (3)
| Ada S. Nelson Elementary | Aeolian Elementary | Rancho Santa Gertrudes Elementary |