De Laveaga Elementary (Data source)
Source data for De Laveaga 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 | 2757052 | 2424 | - | 2436 | = | -12 | * | (108 | / | 310) | = | -4.18064515 | ||
| 4 | 2757055 | 2487 | - | 2485 | = | 2 | * | (103 | / | 310) | = | 0.66451613 | ||
| 5 | 2757056 | 2503 | - | 2528 | = | -25 | * | (99 | / | 310) | = | -7.98387095 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for De Laveaga Elementary | -11 | ||||||||||||
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 | 83872 | 2431 | - | 2436 | = | -5 | * | (88 | / | 291) | = | -1.51202749 | ||
| 4 | 83874 | 2480 | - | 2485 | = | -5 | * | (106 | / | 291) | = | -1.82130584 | ||
| 5 | 83877 | 2520 | - | 2528 | = | -8 | * | (97 | / | 291) | = | -2.66666666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for De Laveaga Elementary | -6 | ||||||||||||
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 | 86184 | 2425 | - | 2436 | = | -11 | * | (86 | / | 279) | = | -3.390681 | ||
| 4 | 86187 | 2459 | - | 2485 | = | -26 | * | (87 | / | 279) | = | -8.10752686 | ||
| 5 | 86189 | 2517 | - | 2528 | = | -11 | * | (106 | / | 279) | = | -4.17921147 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for De Laveaga Elementary | -16 | ||||||||||||
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 | 86416 | 2411 | - | 2436 | = | -25 | * | (102 | / | 265) | = | -9.6226415 | ||
| 4 | 86419 | 2466 | - | 2485 | = | -19 | * | (78 | / | 265) | = | -5.59245282 | ||
| 5 | 86420 | 2509 | - | 2528 | = | -19 | * | (85 | / | 265) | = | -6.0943396 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for De Laveaga Elementary | -21 | ||||||||||||
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 | 87016 | 2428 | - | 2436 | = | -8 | * | (70 | / | 242) | = | -2.31404958 | ||
| 4 | 87017 | 2462 | - | 2485 | = | -23 | * | (97 | / | 242) | = | -9.21900826 | ||
| 5 | 87018 | 2521 | - | 2528 | = | -7 | * | (75 | / | 242) | = | -2.16942149 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for De Laveaga Elementary | -14 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -11 | -6 | -16 | -21 | -14 | -68.0 | -13.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 1.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -28.6
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 | 41% | 43% | 33% | 40% | 36% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Santa Cruz City Elementary school district | County of Santa Cruz
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.
De Laveaga Elementary math proficiency
Zero+ meets standard.
36% less $meal
37% less $meal
26% less $meal
36% less $meal
33% 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 Santa Cruz City Elementary (4)
| Bay View Elementary | De Laveaga Elementary | Gault Elementary |
| Westlake Elementary |